rnb1qbr1/1pp1pp2/p3k2n/PR1p2p1/3B2p1/3P1N2/1PP1PPBP/3QK1NR w K - 0 13
FEN state: rnb1qbr1/1pp1pp2/p3k2n/PR1p2p1/3B2p1/3P1N2/1PP1PPBP/3QK1NR w K - 0 13 ; Best move: b5c5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at e8, black bishop at f8 and black rook at g8. Black pawn at b7, black pawn at c7, black pawn at e7 and black pawn at f7. Black pawn at a6, black king at e6 and black knight at h6. White pawn at a5, white rook at b5, black pawn at d5 and black pawn at g5. White bishop at d4 and black pawn at g4. White pawn at d3 and white knight at f3. White pawn at b2, white pawn at c2, white pawn at e2, white pawn at f2, white bishop at g2 and white pawn at h2. White queen at d1, white king at e1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 13. White to move.