1rb1qbr1/2p1p1n1/5pkp/pp1pn1p1/PPPP4/4KP1P/1B1QP1P1/RN3BNR b - - 1 18
FEN state: 1rb1qbr1/2p1p1n1/5pkp/pp1pn1p1/PPPP4/4KP1P/1B1QP1P1/RN3BNR b - - 1 18 ; Best move: e5c4
The current state of the chess board is: Black rook at b8, black bishop at c8, black queen at e8, black bishop at f8 and black rook at g8. Black pawn at c7, black pawn at e7 and black knight at g7. Black pawn at f6, black king at g6 and black pawn at h6. Black pawn at a5, black pawn at b5, black pawn at d5, black knight at e5 and black pawn at g5. White pawn at a4, white pawn at b4, white pawn at c4 and white pawn at d4. White king at e3, white pawn at f3 and white pawn at h3. White bishop at b2, white queen at d2, white pawn at e2 and white pawn at g2. White rook at a1, white knight at b1, white bishop at f1, 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.