rn1q2kr/p1p1b1pp/N2p1p2/1p2pK2/1Pb1P1P1/B1P2P1N/P2P2BP/4R1QR b - - 0 20
FEN state: rn1q2kr/p1p1b1pp/N2p1p2/1p2pK2/1Pb1P1P1/B1P2P1N/P2P2BP/4R1QR b - - 0 20 ; Best move: g7g6
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black king at g8 and black rook at h8. Black pawn at a7, black pawn at c7, black bishop at e7, black pawn at g7 and black pawn at h7. White knight at a6, black pawn at d6 and black pawn at f6. Black pawn at b5, black pawn at e5 and white king at f5. White pawn at b4, black bishop at c4, white pawn at e4 and white pawn at g4. White bishop at a3, white pawn at c3, white pawn at f3 and white knight at h3. White pawn at a2, white pawn at d2, white bishop at g2 and white pawn at h2. White rook at e1, white queen at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. Black to move.