r1b1kbr1/pp3p1p/n3q2n/2ppp1p1/8/NP1KP1PN/P1PP1P1P/R1BQ1B1R w q - 2 10
FEN state: r1b1kbr1/pp3p1p/n3q2n/2ppp1p1/8/NP1KP1PN/P1PP1P1P/R1BQ1B1R w q - 2 10 ; Best move: d3c3
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8 and black rook at g8. Black pawn at a7, black pawn at b7, black pawn at f7 and black pawn at h7. Black knight at a6, black queen at e6 and black knight at h6. Black pawn at c5, black pawn at d5, black pawn at e5 and black pawn at g5. White knight at a3, white pawn at b3, white king at d3, white pawn at e3, white pawn at g3 and white knight at h3. White pawn at a2, white pawn at c2, white pawn at d2, white pawn at f2 and white pawn at h2. White rook at a1, white bishop at c1, white queen at d1, white bishop at f1 and white rook at h1. Black queenside is the only castle move available. Half move number is 2. Full move number is 10. White to move.