r3k1r1/4pp1p/n1p3bb/1p1p2p1/5Pn1/1PPPP2P/PBQ3P1/K1R2BR1 w q - 1 23
FEN state: r3k1r1/4pp1p/n1p3bb/1p1p2p1/5Pn1/1PPPP2P/PBQ3P1/K1R2BR1 w q - 1 23 ; Best move: h3g4
The current state of the chess board is: Black rook at a8, black king at e8 and black rook at g8. Black pawn at e7, black pawn at f7 and black pawn at h7. Black knight at a6, black pawn at c6, black bishop at g6 and black bishop at h6. Black pawn at b5, black pawn at d5 and black pawn at g5. White pawn at f4 and black knight at g4. White pawn at b3, white pawn at c3, white pawn at d3, white pawn at e3 and white pawn at h3. White pawn at a2, white bishop at b2, white queen at c2 and white pawn at g2. White king at a1, white rook at c1, white bishop at f1 and white rook at g1. Black queenside is the only castle move available. Half move number is 1. Full move number is 23. White to move.