1r1qkbnr/p1p3p1/2n2pP1/1p2p2p/2P1p1b1/PQ6/RP1P1PB1/2BN1KNR w k - 2 15
FEN state: 1r1qkbnr/p1p3p1/2n2pP1/1p2p2p/2P1p1b1/PQ6/RP1P1PB1/2BN1KNR w k - 2 15 ; Best move: c4b5
The current state of the chess board is: Black rook at b8, black queen at d8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at c7 and black pawn at g7. Black knight at c6, black pawn at f6 and white pawn at g6. Black pawn at b5, black pawn at e5 and black pawn at h5. White pawn at c4, black pawn at e4 and black bishop at g4. White pawn at a3 and white queen at b3. White rook at a2, white pawn at b2, white pawn at d2, white pawn at f2 and white bishop at g2. White bishop at c1, white knight at d1, white king at f1, white knight at g1 and white rook at h1. Black kingside is the only castle move available. Half move number is 2. Full move number is 15. White to move.