POST /v1/play/rav
Plays the moves in a RAV movetext returning the sequence of FEN positions that make up such movetext.
variant
The chess variant as per these options.
classicalchess, also known as standard or slow chess.960is the same as classical chess except that the starting position of the pieces is randomized.dunsanyis an asymmetric variant in which Black has the standard chess army and White has 32 pawns.losingchess, the objective of each player is to lose all of their pieces or be stalemated.racing-kingsconsists of being the first player to move their king to the eighth row.
movetext
A portable game notation (PGN) movetext.
fen (optional)
A FEN string.
startPos (optional)
The start position in a Chess960 game; for example BRNNKBRQ.
curl https://api.chesslablab.org:9443/v1/play/rav \
-H "Content-Type: application/json" \
--data-raw '{
"variant": "classical",
"movetext": "1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Be7 5.Bf4 O-O 6.e3 c5 7.dxc5 Bxc5 8.a3 Nc6 9.Rc1 a6 10.b4 Bd6 11.Bg5 a5 12.b5 Ne7 13.Bxf6 gxf6 14.a4 Bb4 15.Be2 dxc4 16.O-O Nd5 17.Na2 Nb6 18.Qc2 e5 19.Nxb4 axb4 20.Bxc4 Nxc4 21.Qxc4 Rxa4 22.Rfd1 Qb6 23.Nh4 Be6 24.Qe4 Qxb5 25.Qf3 Kg7 26.Nf5+ Bxf5 27.Qxf5 b3 28.Rd6 b2 29.Qxf6+ Kg8 30.Qg5+ Kh8 31.Qf6+"
}'
{
"variant": "classical",
"turn": "b",
"filtered": "1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Be7 5.Bf4 O-O 6.e3 c5 7.dxc5 Bxc5 8.a3 Nc6 9.Rc1 a6 10.b4 Bd6 11.Bg5 a5 12.b5 Ne7 13.Bxf6 gxf6 14.a4 Bb4 15.Be2 dxc4 16.O-O Nd5 17.Na2 Nb6 18.Qc2 e5 19.Nxb4 axb4 20.Bxc4 Nxc4 21.Qxc4 Rxa4 22.Rfd1 Qb6 23.Nh4 Be6 24.Qe4 Qxb5 25.Qf3 Kg7 26.Nf5+ Bxf5 27.Qxf5 b3 28.Rd6 b2 29.Qxf6+ Kg8 30.Qg5+ Kh8 31.Qf6+",
"movetext": "1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Be7 5.Bf4 O-O 6.e3 c5 7.dxc5 Bxc5 8.a3 Nc6 9.Rc1 a6 10.b4 Bd6 11.Bg5 a5 12.b5 Ne7 13.Bxf6 gxf6 14.a4 Bb4 15.Be2 dxc4 16.O-O Nd5 17.Na2 Nb6 18.Qc2 e5 19.Nxb4 axb4 20.Bxc4 Nxc4 21.Qxc4 Rxa4 22.Rfd1 Qb6 23.Nh4 Be6 24.Qe4 Qxb5 25.Qf3 Kg7 26.Nf5+ Bxf5 27.Qxf5 b3 28.Rd6 b2 29.Qxf6+ Kg8 30.Qg5+ Kh8 31.Qf6+",
"breakdown": [
"1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Be7 5.Bf4 O-O 6.e3 c5 7.dxc5 Bxc5 8.a3 Nc6 9.Rc1 a6 10.b4 Bd6 11.Bg5 a5 12.b5 Ne7 13.Bxf6 gxf6 14.a4 Bb4 15.Be2 dxc4 16.O-O Nd5 17.Na2 Nb6 18.Qc2 e5 19.Nxb4 axb4 20.Bxc4 Nxc4 21.Qxc4 Rxa4 22.Rfd1 Qb6 23.Nh4 Be6 24.Qe4 Qxb5 25.Qf3 Kg7 26.Nf5+ Bxf5 27.Qxf5 b3 28.Rd6 b2 29.Qxf6+ Kg8 30.Qg5+ Kh8 31.Qf6+"
],
"fen": [
"rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq -",
"rnbqkbnr/pppppppp/8/8/3P4/8/PPP1PPPP/RNBQKBNR b KQkq d3",
"rnbqkb1r/pppppppp/5n2/8/3P4/8/PPP1PPPP/RNBQKBNR w KQkq -",
"rnbqkb1r/pppppppp/5n2/8/2PP4/8/PP2PPPP/RNBQKBNR b KQkq c3",
"rnbqkb1r/pppp1ppp/4pn2/8/2PP4/8/PP2PPPP/RNBQKBNR w KQkq -",
"rnbqkb1r/pppp1ppp/4pn2/8/2PP4/5N2/PP2PPPP/RNBQKB1R b KQkq -",
"rnbqkb1r/ppp2ppp/4pn2/3p4/2PP4/5N2/PP2PPPP/RNBQKB1R w KQkq d6",
"rnbqkb1r/ppp2ppp/4pn2/3p4/2PP4/2N2N2/PP2PPPP/R1BQKB1R b KQkq -",
"rnbqk2r/ppp1bppp/4pn2/3p4/2PP4/2N2N2/PP2PPPP/R1BQKB1R w KQkq -",
"rnbqk2r/ppp1bppp/4pn2/3p4/2PP1B2/2N2N2/PP2PPPP/R2QKB1R b KQkq -",
"rnbq1rk1/ppp1bppp/4pn2/3p4/2PP1B2/2N2N2/PP2PPPP/R2QKB1R w KQ -",
"rnbq1rk1/ppp1bppp/4pn2/3p4/2PP1B2/2N1PN2/PP3PPP/R2QKB1R b KQ -",
"rnbq1rk1/pp2bppp/4pn2/2pp4/2PP1B2/2N1PN2/PP3PPP/R2QKB1R w KQ c6",
"rnbq1rk1/pp2bppp/4pn2/2Pp4/2P2B2/2N1PN2/PP3PPP/R2QKB1R b KQ -",
"rnbq1rk1/pp3ppp/4pn2/2bp4/2P2B2/2N1PN2/PP3PPP/R2QKB1R w KQ -",
"rnbq1rk1/pp3ppp/4pn2/2bp4/2P2B2/P1N1PN2/1P3PPP/R2QKB1R b KQ -",
"r1bq1rk1/pp3ppp/2n1pn2/2bp4/2P2B2/P1N1PN2/1P3PPP/R2QKB1R w KQ -",
"r1bq1rk1/pp3ppp/2n1pn2/2bp4/2P2B2/P1N1PN2/1P3PPP/2RQKB1R b K -",
"r1bq1rk1/1p3ppp/p1n1pn2/2bp4/2P2B2/P1N1PN2/1P3PPP/2RQKB1R w K -",
"r1bq1rk1/1p3ppp/p1n1pn2/2bp4/1PP2B2/P1N1PN2/5PPP/2RQKB1R b K b3",
"r1bq1rk1/1p3ppp/p1nbpn2/3p4/1PP2B2/P1N1PN2/5PPP/2RQKB1R w K -",
"r1bq1rk1/1p3ppp/p1nbpn2/3p2B1/1PP5/P1N1PN2/5PPP/2RQKB1R b K -",
"r1bq1rk1/1p3ppp/2nbpn2/p2p2B1/1PP5/P1N1PN2/5PPP/2RQKB1R w K -",
"r1bq1rk1/1p3ppp/2nbpn2/pP1p2B1/2P5/P1N1PN2/5PPP/2RQKB1R b K -",
"r1bq1rk1/1p2nppp/3bpn2/pP1p2B1/2P5/P1N1PN2/5PPP/2RQKB1R w K -",
"r1bq1rk1/1p2nppp/3bpB2/pP1p4/2P5/P1N1PN2/5PPP/2RQKB1R b K -",
"r1bq1rk1/1p2np1p/3bpp2/pP1p4/2P5/P1N1PN2/5PPP/2RQKB1R w K -",
"r1bq1rk1/1p2np1p/3bpp2/pP1p4/P1P5/2N1PN2/5PPP/2RQKB1R b K -",
"r1bq1rk1/1p2np1p/4pp2/pP1p4/PbP5/2N1PN2/5PPP/2RQKB1R w K -",
"r1bq1rk1/1p2np1p/4pp2/pP1p4/PbP5/2N1PN2/4BPPP/2RQK2R b K -",
"r1bq1rk1/1p2np1p/4pp2/pP6/Pbp5/2N1PN2/4BPPP/2RQK2R w K -",
"r1bq1rk1/1p2np1p/4pp2/pP6/Pbp5/2N1PN2/4BPPP/2RQ1RK1 b - -",
"r1bq1rk1/1p3p1p/4pp2/pP1n4/Pbp5/2N1PN2/4BPPP/2RQ1RK1 w - -",
"r1bq1rk1/1p3p1p/4pp2/pP1n4/Pbp5/4PN2/N3BPPP/2RQ1RK1 b - -",
"r1bq1rk1/1p3p1p/1n2pp2/pP6/Pbp5/4PN2/N3BPPP/2RQ1RK1 w - -",
"r1bq1rk1/1p3p1p/1n2pp2/pP6/Pbp5/4PN2/N1Q1BPPP/2R2RK1 b - -",
"r1bq1rk1/1p3p1p/1n3p2/pP2p3/Pbp5/4PN2/N1Q1BPPP/2R2RK1 w - -",
"r1bq1rk1/1p3p1p/1n3p2/pP2p3/PNp5/4PN2/2Q1BPPP/2R2RK1 b - -",
"r1bq1rk1/1p3p1p/1n3p2/1P2p3/Ppp5/4PN2/2Q1BPPP/2R2RK1 w - -",
"r1bq1rk1/1p3p1p/1n3p2/1P2p3/PpB5/4PN2/2Q2PPP/2R2RK1 b - -",
"r1bq1rk1/1p3p1p/5p2/1P2p3/Ppn5/4PN2/2Q2PPP/2R2RK1 w - -",
"r1bq1rk1/1p3p1p/5p2/1P2p3/PpQ5/4PN2/5PPP/2R2RK1 b - -",
"2bq1rk1/1p3p1p/5p2/1P2p3/rpQ5/4PN2/5PPP/2R2RK1 w - -",
"2bq1rk1/1p3p1p/5p2/1P2p3/rpQ5/4PN2/5PPP/2RR2K1 b - -",
"2b2rk1/1p3p1p/1q3p2/1P2p3/rpQ5/4PN2/5PPP/2RR2K1 w - -",
"2b2rk1/1p3p1p/1q3p2/1P2p3/rpQ4N/4P3/5PPP/2RR2K1 b - -",
"5rk1/1p3p1p/1q2bp2/1P2p3/rpQ4N/4P3/5PPP/2RR2K1 w - -",
"5rk1/1p3p1p/1q2bp2/1P2p3/rp2Q2N/4P3/5PPP/2RR2K1 b - -",
"5rk1/1p3p1p/4bp2/1q2p3/rp2Q2N/4P3/5PPP/2RR2K1 w - -",
"5rk1/1p3p1p/4bp2/1q2p3/rp5N/4PQ2/5PPP/2RR2K1 b - -",
"5r2/1p3pkp/4bp2/1q2p3/rp5N/4PQ2/5PPP/2RR2K1 w - -",
"5r2/1p3pkp/4bp2/1q2pN2/rp6/4PQ2/5PPP/2RR2K1 b - -",
"5r2/1p3pkp/5p2/1q2pb2/rp6/4PQ2/5PPP/2RR2K1 w - -",
"5r2/1p3pkp/5p2/1q2pQ2/rp6/4P3/5PPP/2RR2K1 b - -",
"5r2/1p3pkp/5p2/1q2pQ2/r7/1p2P3/5PPP/2RR2K1 w - -",
"5r2/1p3pkp/3R1p2/1q2pQ2/r7/1p2P3/5PPP/2R3K1 b - -",
"5r2/1p3pkp/3R1p2/1q2pQ2/r7/4P3/1p3PPP/2R3K1 w - -",
"5r2/1p3pkp/3R1Q2/1q2p3/r7/4P3/1p3PPP/2R3K1 b - -",
"5rk1/1p3p1p/3R1Q2/1q2p3/r7/4P3/1p3PPP/2R3K1 w - -",
"5rk1/1p3p1p/3R4/1q2p1Q1/r7/4P3/1p3PPP/2R3K1 b - -",
"5r1k/1p3p1p/3R4/1q2p1Q1/r7/4P3/1p3PPP/2R3K1 w - -",
"5r1k/1p3p1p/3R1Q2/1q2p3/r7/4P3/1p3PPP/2R3K1 b - -"
]
}