1n1k1b2/4pppr/rpq4n/pB1p3p/P4B1N/2PP3P/RP3P1R/1N1Q1K2 w - - 13 21
FEN state: 1n1k1b2/4pppr/rpq4n/pB1p3p/P4B1N/2PP3P/RP3P1R/1N1Q1K2 w - - 13 21 ; Best move: b5c6
The current state of the chess board is: Black knight at b8, black king at d8 and black bishop at f8. Black pawn at e7, black pawn at f7, black pawn at g7 and black rook at h7. Black rook at a6, black pawn at b6, black queen at c6 and black knight at h6. Black pawn at a5, white bishop at b5, black pawn at d5 and black pawn at h5. White pawn at a4, white bishop at f4 and white knight at h4. White pawn at c3, white pawn at d3 and white pawn at h3. White rook at a2, white pawn at b2, white pawn at f2 and white rook at h2. White knight at b1, white queen at d1 and white king at f1. Both players have exhausted their castles. Half move number is 13. Full move number is 21. White to move.