1r1qk3/p3n1b1/n4r2/3QPp1p/1P1P1BP1/N1p3PR/P3P3/R3KBN1 b Q - 2 23
FEN state: 1r1qk3/p3n1b1/n4r2/3QPp1p/1P1P1BP1/N1p3PR/P3P3/R3KBN1 b Q - 2 23 ; Best move: e7d5
The current state of the chess board is: Black rook at b8, black queen at d8 and black king at e8. Black pawn at a7, black knight at e7 and black bishop at g7. Black knight at a6 and black rook at f6. White queen at d5, white pawn at e5, black pawn at f5 and black pawn at h5. White pawn at b4, white pawn at d4, white bishop at f4 and white pawn at g4. White knight at a3, black pawn at c3, white pawn at g3 and white rook at h3. White pawn at a2 and white pawn at e2. White rook at a1, white king at e1, white bishop at f1 and white knight at g1. White queenside is the only castle move available. Half move number is 2. Full move number is 23. Black to move.