r1bqr3/pp1kbppp/2nppn2/2pN4/1P4PP/P1PP1N2/1B2PP2/R2QKBR1 w Q - 1 13
FEN state: r1bqr3/pp1kbppp/2nppn2/2pN4/1P4PP/P1PP1N2/1B2PP2/R2QKBR1 w Q - 1 13 ; Best move: d5e7
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8 and black rook at e8. Black pawn at a7, black pawn at b7, black king at d7, black bishop at e7, black pawn at f7, black pawn at g7 and black pawn at h7. Black knight at c6, black pawn at d6, black pawn at e6 and black knight at f6. Black pawn at c5 and white knight at d5. White pawn at b4, white pawn at g4 and white pawn at h4. White pawn at a3, white pawn at c3, white pawn at d3 and white knight at f3. White bishop at b2, white pawn at e2 and white pawn at f2. White rook at a1, white queen at d1, white king at e1, white bishop at f1 and white rook at g1. White queenside is the only castle move available. Half move number is 1. Full move number is 13. White to move.