rn1qkb1r/3bp3/p2p2p1/1p5P/1p2p2P/2P5/PP1P2P1/RNB2KNR w q - 0 15
FEN state: rn1qkb1r/3bp3/p2p2p1/1p5P/1p2p2P/2P5/PP1P2P1/RNB2KNR w q - 0 15 ; Best move: c3b4
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black king at e8, black bishop at f8 and black rook at h8. Black bishop at d7 and black pawn at e7. Black pawn at a6, black pawn at d6 and black pawn at g6. Black pawn at b5 and white pawn at h5. Black pawn at b4, black pawn at e4 and white pawn at h4. White pawn at c3. White pawn at a2, white pawn at b2, white pawn at d2 and white pawn at g2. White rook at a1, white knight at b1, white bishop at c1, white king at f1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 0. Full move number is 15. White to move.