1rb2bnr/2p1qkp1/p2p3p/PP1Npp2/RQ2PP1P/2pP1N2/1B4P1/3BKR2 w - - 0 23
FEN state: 1rb2bnr/2p1qkp1/p2p3p/PP1Npp2/RQ2PP1P/2pP1N2/1B4P1/3BKR2 w - - 0 23 ; Best move: b4c3
The current state of the chess board is: Black rook at b8, black bishop at c8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at c7, black queen at e7, black king at f7 and black pawn at g7. Black pawn at a6, black pawn at d6 and black pawn at h6. White pawn at a5, white pawn at b5, white knight at d5, black pawn at e5 and black pawn at f5. White rook at a4, white queen at b4, white pawn at e4, white pawn at f4 and white pawn at h4. Black pawn at c3, white pawn at d3 and white knight at f3. White bishop at b2 and white pawn at g2. White bishop at d1, white king at e1 and white rook at f1. Both players have exhausted their castles. Half move number is 0. Full move number is 23. White to move.