rnb2b1r/1p1knpp1/3p4/1qpBp2p/2P2P2/p3P3/PP1P1NPP/RNBQKR2 w - - 2 15
FEN state: rnb2b1r/1p1knpp1/3p4/1qpBp2p/2P2P2/p3P3/PP1P1NPP/RNBQKR2 w - - 2 15 ; Best move: c4b5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black bishop at f8 and black rook at h8. Black pawn at b7, black king at d7, black knight at e7, black pawn at f7 and black pawn at g7. Black pawn at d6. Black queen at b5, black pawn at c5, white bishop at d5, black pawn at e5 and black pawn at h5. White pawn at c4 and white pawn at f4. Black pawn at a3 and white pawn at e3. White pawn at a2, white pawn at b2, white pawn at d2, white knight at f2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1, white king at e1 and white rook at f1. Both players have exhausted their castles. Half move number is 2. Full move number is 15. White to move.