1n3bn1/1p1k1ppr/3rp2q/p1pB1b1P/P1PP3P/BP3P1R/4P3/RN2K1N1 w - - 0 20
FEN state: 1n3bn1/1p1k1ppr/3rp2q/p1pB1b1P/P1PP3P/BP3P1R/4P3/RN2K1N1 w - - 0 20 ; Best move: d4c5
The current state of the chess board is: Black knight at b8, black bishop at f8 and black knight at g8. Black pawn at b7, black king at d7, black pawn at f7, black pawn at g7 and black rook at h7. Black rook at d6, black pawn at e6 and black queen at h6. Black pawn at a5, black pawn at c5, white bishop at d5, black bishop at f5 and white pawn at h5. White pawn at a4, white pawn at c4, white pawn at d4 and white pawn at h4. White bishop at a3, white pawn at b3, white pawn at f3 and white rook at h3. White pawn at e2. White rook at a1, white knight at b1, white king at e1 and white knight at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. White to move.