2rk2nr/2p1p1b1/1Pq2ppp/p2p1P2/4P3/B4b1P/P2PN2R/R1NQKB2 w Q - 4 23
FEN state: 2rk2nr/2p1p1b1/1Pq2ppp/p2p1P2/4P3/B4b1P/P2PN2R/R1NQKB2 w Q - 4 23 ; Best move: e2d4
The current state of the chess board is: Black rook at c8, black king at d8, black knight at g8 and black rook at h8. Black pawn at c7, black pawn at e7 and black bishop at g7. White pawn at b6, black queen at c6, black pawn at f6, black pawn at g6 and black pawn at h6. Black pawn at a5, black pawn at d5 and white pawn at f5. White pawn at e4. White bishop at a3, black bishop at f3 and white pawn at h3. White pawn at a2, white pawn at d2, white knight at e2 and white rook at h2. White rook at a1, white knight at c1, white queen at d1, white king at e1 and white bishop at f1. White queenside is the only castle move available. Half move number is 4. Full move number is 23. White to move.