rnb3nr/2p1pk1p/p6b/1p1pq1p1/3P1p1P/2N2PP1/PPP1PN1R/R1BQKB2 w Q - 3 11
FEN state: rnb3nr/2p1pk1p/p6b/1p1pq1p1/3P1p1P/2N2PP1/PPP1PN1R/R1BQKB2 w Q - 3 11 ; Best move: d4e5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black knight at g8 and black rook at h8. Black pawn at c7, black pawn at e7, black king at f7 and black pawn at h7. Black pawn at a6 and black bishop at h6. Black pawn at b5, black pawn at d5, black queen at e5 and black pawn at g5. White pawn at d4, black pawn at f4 and white pawn at h4. White knight at c3, white pawn at f3 and white pawn at g3. White pawn at a2, white pawn at b2, white pawn at c2, white pawn at e2, white knight at f2 and white rook at h2. White rook at a1, white bishop 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 3. Full move number is 11. White to move.