1nb1kb1r/3pp3/3q1p1n/prp2Pp1/1PP3p1/1RNP3P/4PR1N/2BQKB2 w - - 4 23
FEN state: 1nb1kb1r/3pp3/3q1p1n/prp2Pp1/1PP3p1/1RNP3P/4PR1N/2BQKB2 w - - 4 23 ; Best move: c3b5
The current state of the chess board is: Black knight at b8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at d7 and black pawn at e7. Black queen at d6, black pawn at f6 and black knight at h6. Black pawn at a5, black rook at b5, black pawn at c5, white pawn at f5 and black pawn at g5. White pawn at b4, white pawn at c4 and black pawn at g4. White rook at b3, white knight at c3, white pawn at d3 and white pawn at h3. White pawn at e2, white rook at f2 and white knight at h2. White bishop at c1, white queen at d1, white king at e1 and white bishop at f1. Both players have exhausted their castles. Half move number is 4. Full move number is 23. White to move.