r2qkb2/pbppnp1r/2n3p1/1p5p/2P1p1P1/NP1PP2P/P1QK1P1R/R1B2BN1 w q - 1 11
FEN state: r2qkb2/pbppnp1r/2n3p1/1p5p/2P1p1P1/NP1PP2P/P1QK1P1R/R1B2BN1 w q - 1 11 ; Best move: d3e4
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8 and black bishop at f8. Black pawn at a7, black bishop at b7, black pawn at c7, black pawn at d7, black knight at e7, black pawn at f7 and black rook at h7. Black knight at c6 and black pawn at g6. Black pawn at b5 and black pawn at h5. White pawn at c4, black pawn at e4 and white pawn at g4. White knight at a3, white pawn at b3, white pawn at d3, white pawn at e3 and white pawn at h3. White pawn at a2, white queen at c2, white king at d2, white pawn at f2 and white rook at h2. White rook at a1, white bishop at c1, white bishop at f1 and white knight at g1. Black queenside is the only castle move available. Half move number is 1. Full move number is 11. White to move.