1nbq1rk1/r1p1bnpp/p2pp3/1pP5/8/3QP3/PP1PNPPP/RNB1K2R w KQ - 0 13
FEN state: 1nbq1rk1/r1p1bnpp/p2pp3/1pP5/8/3QP3/PP1PNPPP/RNB1K2R w KQ - 0 13 ; Best move: c5d6
The current state of the chess board is: Black knight at b8, black bishop at c8, black queen at d8, black rook at f8 and black king at g8. Black rook at a7, black pawn at c7, black bishop at e7, black knight at f7, black pawn at g7 and black pawn at h7. Black pawn at a6, black pawn at d6 and black pawn at e6. Black pawn at b5 and white pawn at c5. White queen at d3 and white pawn at e3. White pawn at a2, white pawn at b2, white pawn at d2, white knight at e2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white king at e1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 0. Full move number is 13. White to move.