r4b1r/1p1k1ppp/p1b1p2n/1n4q1/3P1P1P/PN2B1PN/1RPQPK1R/5B2 b - - 3 18
FEN state: r4b1r/1p1k1ppp/p1b1p2n/1n4q1/3P1P1P/PN2B1PN/1RPQPK1R/5B2 b - - 3 18 ; Best move: g5g4
The current state of the chess board is: Black rook at a8, black bishop at f8 and black rook at h8. Black pawn at b7, black king at d7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at a6, black bishop at c6, black pawn at e6 and black knight at h6. Black knight at b5 and black queen at g5. White pawn at d4, white pawn at f4 and white pawn at h4. White pawn at a3, white knight at b3, white bishop at e3, white pawn at g3 and white knight at h3. White rook at b2, white pawn at c2, white queen at d2, white pawn at e2, white king at f2 and white rook at h2. White bishop at f1. Both players have exhausted their castles. Half move number is 3. Full move number is 18. Black to move.