1nb1k1nr/r2p1p2/pbp1pq1p/1PP1P1P1/6P1/1P1B3P/1B1P4/RN1QK1NR w KQ - 3 15
FEN state: 1nb1k1nr/r2p1p2/pbp1pq1p/1PP1P1P1/6P1/1P1B3P/1B1P4/RN1QK1NR w KQ - 3 15 ; Best move: c5b6
The current state of the chess board is: Black knight at b8, black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black rook at a7, black pawn at d7 and black pawn at f7. Black pawn at a6, black bishop at b6, black pawn at c6, black pawn at e6, black queen at f6 and black pawn at h6. White pawn at b5, white pawn at c5, white pawn at e5 and white pawn at g5. White pawn at g4. White pawn at b3, white bishop at d3 and white pawn at h3. White bishop at b2 and white pawn at d2. White rook at a1, white knight at b1, white queen at d1, white king at e1, white knight at g1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 3. Full move number is 15. White to move.