r1b2br1/1pp2k1p/6pn/Q7/pnPPNp1P/P6P/1P1P1PBR/R1B1K3 w Q - 0 23
FEN state: r1b2br1/1pp2k1p/6pn/Q7/pnPPNp1P/P6P/1P1P1PBR/R1B1K3 w Q - 0 23 ; Best move: e4g5
The current state of the chess board is: Black rook at a8, black bishop at c8, black bishop at f8 and black rook at g8. Black pawn at b7, black pawn at c7, black king at f7 and black pawn at h7. Black pawn at g6 and black knight at h6. White queen at a5. Black pawn at a4, black knight at b4, white pawn at c4, white pawn at d4, white knight at e4, black pawn at f4 and white pawn at h4. White pawn at a3 and white pawn at h3. White pawn at b2, white pawn at d2, white pawn at f2, white bishop at g2 and white rook at h2. White rook at a1, white bishop at c1 and white king at e1. White queenside is the only castle move available. Half move number is 0. Full move number is 23. White to move.