1rb1k1nr/2p2q1p/1pN1pp2/n5p1/1Pp2b2/P6N/2QPP1PP/R1B1KB1R w KQk - 0 15
FEN state: 1rb1k1nr/2p2q1p/1pN1pp2/n5p1/1Pp2b2/P6N/2QPP1PP/R1B1KB1R w KQk - 0 15 ; Best move: b4a5
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at c7, black queen at f7 and black pawn at h7. Black pawn at b6, white knight at c6, black pawn at e6 and black pawn at f6. Black knight at a5 and black pawn at g5. White pawn at b4, black pawn at c4 and black bishop at f4. White pawn at a3 and white knight at h3. White queen at c2, white pawn at d2, white pawn at e2, white pawn at g2 and white pawn at h2. White rook at a1, white bishop at c1, white king at e1, white bishop at f1 and white rook at h1. White kingside, white queenside and black kingside castles are available. Half move number is 0. Full move number is 15. White to move.