rn2k2r/pp5p/1q1p2p1/2p2Q2/P1P2pnb/N5RN/1P1PB2P/1RB1K3 b - - 4 18
FEN state: rn2k2r/pp5p/1q1p2p1/2p2Q2/P1P2pnb/N5RN/1P1PB2P/1RB1K3 b - - 4 18 ; Best move: g6f5
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8 and black rook at h8. Black pawn at a7, black pawn at b7 and black pawn at h7. Black queen at b6, black pawn at d6 and black pawn at g6. Black pawn at c5 and white queen at f5. White pawn at a4, white pawn at c4, black pawn at f4, black knight at g4 and black bishop at h4. White knight at a3, white rook at g3 and white knight at h3. White pawn at b2, white pawn at d2, white bishop at e2 and white pawn at h2. White rook at b1, white bishop at c1 and white king at e1. Both players have exhausted their castles. Half move number is 4. Full move number is 18. Black to move.