rnb1k2r/3q4/p3pp2/P5pp/3p1P1P/3PPBn1/2PBQ1PR/RN2K1N1 b Q - 8 23
FEN state: rnb1k2r/3q4/p3pp2/P5pp/3p1P1P/3PPBn1/2PBQ1PR/RN2K1N1 b Q - 8 23 ; Best move: g3e2
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8 and black rook at h8. Black queen at d7. Black pawn at a6, black pawn at e6 and black pawn at f6. White pawn at a5, black pawn at g5 and black pawn at h5. Black pawn at d4, white pawn at f4 and white pawn at h4. White pawn at d3, white pawn at e3, white bishop at f3 and black knight at g3. White pawn at c2, white bishop at d2, white queen at e2, white pawn at g2 and white rook at h2. White rook at a1, white knight at b1, white king at e1 and white knight at g1. White queenside is the only castle move available. Half move number is 8. Full move number is 23. Black to move.