rq1k3r/pp2b3/B5pp/n1pPpp2/P2P1Bn1/5PPb/1PK4P/RN1Q2NR b - - 2 23
FEN state: rq1k3r/pp2b3/B5pp/n1pPpp2/P2P1Bn1/5PPb/1PK4P/RN1Q2NR b - - 2 23 ; Best move: b7a6
The current state of the chess board is: Black rook at a8, black queen at b8, black king at d8 and black rook at h8. Black pawn at a7, black pawn at b7 and black bishop at e7. White bishop at a6, black pawn at g6 and black pawn at h6. Black knight at a5, black pawn at c5, white pawn at d5, black pawn at e5 and black pawn at f5. White pawn at a4, white pawn at d4, white bishop at f4 and black knight at g4. White pawn at f3, white pawn at g3 and black bishop at h3. White pawn at b2, white king at c2 and white pawn at h2. White rook at a1, white knight at b1, white queen at d1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 23. Black to move.