3r1rk1/4Qp1p/pPp1b2b/3PB1p1/1q4P1/Nn5B/1P1RP2P/4K1NR b K - 2 20
FEN state: 3r1rk1/4Qp1p/pPp1b2b/3PB1p1/1q4P1/Nn5B/1P1RP2P/4K1NR b K - 2 20 ; Best move: b4e7
The current state of the chess board is: Black rook at d8, black rook at f8 and black king at g8. White queen at e7, black pawn at f7 and black pawn at h7. Black pawn at a6, white pawn at b6, black pawn at c6, black bishop at e6 and black bishop at h6. White pawn at d5, white bishop at e5 and black pawn at g5. Black queen at b4 and white pawn at g4. White knight at a3, black knight at b3 and white bishop at h3. White pawn at b2, white rook at d2, white pawn at e2 and white pawn at h2. White king at e1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 2. Full move number is 20. Black to move.