1rb1kr2/p3pp1p/2ppnnNb/1p2P1p1/2P2PP1/7Q/P2K3P/R1B2BNR b - - 4 18
FEN state: 1rb1kr2/p3pp1p/2ppnnNb/1p2P1p1/2P2PP1/7Q/P2K3P/R1B2BNR b - - 4 18 ; Best move: f6e4
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at e8 and black rook at f8. Black pawn at a7, black pawn at e7, black pawn at f7 and black pawn at h7. Black pawn at c6, black pawn at d6, black knight at e6, black knight at f6, white knight at g6 and black bishop at h6. Black pawn at b5, white pawn at e5 and black pawn at g5. White pawn at c4, white pawn at f4 and white pawn at g4. White queen at h3. White pawn at a2, white king at d2 and white pawn at h2. White rook at a1, white bishop at c1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 18. Black to move.