r2qk3/pbpp1ppr/n2bpnQp/1p6/1P1P2P1/2N2P2/P1P1P2P/1RBK1BNR w q - 5 13
FEN state: r2qk3/pbpp1ppr/n2bpnQp/1p6/1P1P2P1/2N2P2/P1P1P2P/1RBK1BNR w q - 5 13 ; Best move: g6d3
The current state of the chess board is: Black rook at a8, black queen at d8 and black king at e8. Black pawn at a7, black bishop at b7, black pawn at c7, black pawn at d7, black pawn at f7, black pawn at g7 and black rook at h7. Black knight at a6, black bishop at d6, black pawn at e6, black knight at f6, white queen at g6 and black pawn at h6. Black pawn at b5. White pawn at b4, white pawn at d4 and white pawn at g4. White knight at c3 and white pawn at f3. White pawn at a2, white pawn at c2, white pawn at e2 and white pawn at h2. White rook at b1, white bishop at c1, white king at d1, white bishop at f1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 5. Full move number is 13. White to move.