1r2k2r/1bp2pp1/1pn1p1n1/p3PP1p/P1BN4/2PP2P1/RP1N3P/2BQ1K1R b k - 0 18
FEN state: 1r2k2r/1bp2pp1/1pn1p1n1/p3PP1p/P1BN4/2PP2P1/RP1N3P/2BQ1K1R b k - 0 18 ; Best move: g6e5
The current state of the chess board is: Black rook at b8, black king at e8 and black rook at h8. Black bishop at b7, black pawn at c7, black pawn at f7 and black pawn at g7. Black pawn at b6, black knight at c6, black pawn at e6 and black knight at g6. Black pawn at a5, white pawn at e5, white pawn at f5 and black pawn at h5. White pawn at a4, white bishop at c4 and white knight at d4. White pawn at c3, white pawn at d3 and white pawn at g3. White rook at a2, white pawn at b2, white knight at d2 and white pawn at h2. White bishop at c1, white queen at d1, white king at f1 and white rook at h1. Black kingside is the only castle move available. Half move number is 0. Full move number is 18. Black to move.