1nbqk1n1/1pp1p2r/r5pB/p1Kpbp1p/PP6/3P4/2P1PPPP/RN2QBNR w - - 4 10
FEN state: 1nbqk1n1/1pp1p2r/r5pB/p1Kpbp1p/PP6/3P4/2P1PPPP/RN2QBNR w - - 4 10 ; Best move: c5b5
The current state of the chess board is: Black knight at b8, black bishop at c8, black queen at d8, black king at e8 and black knight at g8. Black pawn at b7, black pawn at c7, black pawn at e7 and black rook at h7. Black rook at a6, black pawn at g6 and white bishop at h6. Black pawn at a5, white king at c5, black pawn at d5, black bishop at e5, black pawn at f5 and black pawn at h5. White pawn at a4 and white pawn at b4. White pawn at d3. White pawn at c2, white pawn at e2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white queen at e1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 10. White to move.