4rb1r/pQ1np2p/3p1np1/2p1Nk2/P1P1Np2/3BPRP1/1P3P1P/2B1Kb1R b K - 0 18
FEN state: 4rb1r/pQ1np2p/3p1np1/2p1Nk2/P1P1Np2/3BPRP1/1P3P1P/2B1Kb1R b K - 0 18 ; Best move: d6e5
The current state of the chess board is: Black rook at e8, black bishop at f8 and black rook at h8. Black pawn at a7, white queen at b7, black knight at d7, black pawn at e7 and black pawn at h7. Black pawn at d6, black knight at f6 and black pawn at g6. Black pawn at c5, white knight at e5 and black king at f5. White pawn at a4, white pawn at c4, white knight at e4 and black pawn at f4. White bishop at d3, white pawn at e3, white rook at f3 and white pawn at g3. White pawn at b2, white pawn at f2 and white pawn at h2. White bishop at c1, white king at e1, black bishop at f1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 18. Black to move.