r1b2bnr/pp3kpp/3p2q1/2pnppP1/PPP5/3PP3/3Q1P1P/RNB1KBNR w KQ - 1 13
FEN state: r1b2bnr/pp3kpp/3p2q1/2pnppP1/PPP5/3PP3/3Q1P1P/RNB1KBNR w KQ - 1 13 ; Best move: c4d5
The current state of the chess board is: Black rook at a8, black bishop at c8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black king at f7, black pawn at g7 and black pawn at h7. Black pawn at d6 and black queen at g6. Black pawn at c5, black knight at d5, black pawn at e5, black pawn at f5 and white pawn at g5. White pawn at a4, white pawn at b4 and white pawn at c4. White pawn at d3 and white pawn at e3. White queen at d2, white pawn at f2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 1. Full move number is 13. White to move.