rnb1kb2/2Qppp1r/p1p3p1/1p3n2/3P1P1p/P1P2NP1/1P1NP2P/R1B1KBR1 b Q - 3 20
FEN state: rnb1kb2/2Qppp1r/p1p3p1/1p3n2/3P1P1p/P1P2NP1/1P1NP2P/R1B1KBR1 b Q - 3 20 ; Best move: f5d6
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8 and black bishop at f8. White queen at c7, black pawn at d7, black pawn at e7, black pawn at f7 and black rook at h7. Black pawn at a6, black pawn at c6 and black pawn at g6. Black pawn at b5 and black knight at f5. White pawn at d4, white pawn at f4 and black pawn at h4. White pawn at a3, white pawn at c3, white knight at f3 and white pawn at g3. White pawn at b2, white knight at d2, white pawn at e2 and white pawn at h2. White rook at a1, white bishop at c1, white king at e1, white bishop at f1 and white rook at g1. White queenside is the only castle move available. Half move number is 3. Full move number is 20. Black to move.