rn1k1bn1/pp2ppp1/2p3r1/4P2p/2Pp3q/PN1P3P/1P1N1P2/R1BQKB1R b - - 4 18
FEN state: rn1k1bn1/pp2ppp1/2p3r1/4P2p/2Pp3q/PN1P3P/1P1N1P2/R1BQKB1R b - - 4 18 ; Best move: g6g3
The current state of the chess board is: Black rook at a8, black knight at b8, black king at d8, black bishop at f8 and black knight at g8. Black pawn at a7, black pawn at b7, black pawn at e7, black pawn at f7 and black pawn at g7. Black pawn at c6 and black rook at g6. White pawn at e5 and black pawn at h5. White pawn at c4, black pawn at d4 and black queen at h4. White pawn at a3, white knight at b3, white pawn at d3 and white pawn at h3. White pawn at b2, white knight at d2 and white pawn at f2. White rook at a1, white bishop at c1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 4. Full move number is 18. Black to move.