rn2qbnr/2p1p3/5pk1/p5pp/bPpP3P/P1N1PPP1/1B2K3/R1Q3NR b - - 1 18
FEN state: rn2qbnr/2p1p3/5pk1/p5pp/bPpP3P/P1N1PPP1/1B2K3/R1Q3NR b - - 1 18 ; Best move: g5g4
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at c7 and black pawn at e7. Black pawn at f6 and black king at g6. Black pawn at a5, black pawn at g5 and black pawn at h5. Black bishop at a4, white pawn at b4, black pawn at c4, white pawn at d4 and white pawn at h4. White pawn at a3, white knight at c3, white pawn at e3, white pawn at f3 and white pawn at g3. White bishop at b2 and white king at e2. White rook at a1, white queen at c1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 18. Black to move.