r1bq3r/pp1k2p1/2nbp2p/2ppnp2/2PPPP1N/P2BB1QN/1P4PP/2R1KR2 b - - 1 23
FEN state: r1bq3r/pp1k2p1/2nbp2p/2ppnp2/2PPPP1N/P2BB1QN/1P4PP/2R1KR2 b - - 1 23 ; Best move: e5d3
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8 and black rook at h8. Black pawn at a7, black pawn at b7, black king at d7 and black pawn at g7. Black knight at c6, black bishop at d6, black pawn at e6 and black pawn at h6. Black pawn at c5, black pawn at d5, black knight at e5 and black pawn at f5. White pawn at c4, white pawn at d4, white pawn at e4, white pawn at f4 and white knight at h4. White pawn at a3, white bishop at d3, white bishop at e3, white queen at g3 and white knight at h3. White pawn at b2, white pawn at g2 and white pawn at h2. White rook at c1, white king at e1 and white rook at f1. Both players have exhausted their castles. Half move number is 1. Full move number is 23. Black to move.