1nb1qbn1/r3pkp1/p2p4/1p5p/1PpPPp1P/P1Q2P2/R1PNBKPN/2B4R b - - 1 18
FEN state: 1nb1qbn1/r3pkp1/p2p4/1p5p/1PpPPp1P/P1Q2P2/R1PNBKPN/2B4R b - - 1 18 ; Best move: e7e5
The current state of the chess board is: Black knight at b8, black bishop at c8, black queen at e8, black bishop at f8 and black knight at g8. Black rook at a7, black pawn at e7, black king at f7 and black pawn at g7. Black pawn at a6 and black pawn at d6. Black pawn at b5 and black pawn at h5. White pawn at b4, black pawn at c4, white pawn at d4, white pawn at e4, black pawn at f4 and white pawn at h4. White pawn at a3, white queen at c3 and white pawn at f3. White rook at a2, white pawn at c2, white knight at d2, white bishop at e2, white king at f2, white pawn at g2 and white knight at h2. White bishop at c1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 18. Black to move.