r3kb1R/1Bpp2p1/3p1qn1/p4p2/PpPP4/1P1NP3/3B1Kp1/R3Q3 b q - 0 23
FEN state: r3kb1R/1Bpp2p1/3p1qn1/p4p2/PpPP4/1P1NP3/3B1Kp1/R3Q3 b q - 0 23 ; Best move: g6h8
The current state of the chess board is: Black rook at a8, black king at e8, black bishop at f8 and white rook at h8. White bishop at b7, black pawn at c7, black pawn at d7 and black pawn at g7. Black pawn at d6, black queen at f6 and black knight at g6. Black pawn at a5 and black pawn at f5. White pawn at a4, black pawn at b4, white pawn at c4 and white pawn at d4. White pawn at b3, white knight at d3 and white pawn at e3. White bishop at d2, white king at f2 and black pawn at g2. White rook at a1 and white queen at e1. Black queenside is the only castle move available. Half move number is 0. Full move number is 23. Black to move.