rn1k3r/p1p1q2p/b2pp2b/Pp2P1p1/2PP1p1P/1R2P2B/1PQN2R1/2BK2N1 b - - 0 21
FEN state: rn1k3r/p1p1q2p/b2pp2b/Pp2P1p1/2PP1p1P/1R2P2B/1PQN2R1/2BK2N1 b - - 0 21 ; Best move: f4e3
The current state of the chess board is: Black rook at a8, black knight at b8, black king at d8 and black rook at h8. Black pawn at a7, black pawn at c7, black queen at e7 and black pawn at h7. Black bishop at a6, black pawn at d6, black pawn at e6 and black bishop at h6. White pawn at a5, black pawn at b5, white pawn at e5 and black pawn at g5. White pawn at c4, white pawn at d4, black pawn at f4 and white pawn at h4. White rook at b3, white pawn at e3 and white bishop at h3. White pawn at b2, white queen at c2, white knight at d2 and white rook at g2. White bishop at c1, white king at d1 and white knight at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 21. Black to move.