1nbk3r/1pp1b2p/3p2qn/P3p3/Q1PN1pp1/2B1PPP1/P2PK2P/R4BNR b - - 2 18
FEN state: 1nbk3r/1pp1b2p/3p2qn/P3p3/Q1PN1pp1/2B1PPP1/P2PK2P/R4BNR b - - 2 18 ; Best move: e5d4
The current state of the chess board is: Black knight at b8, black bishop at c8, black king at d8 and black rook at h8. Black pawn at b7, black pawn at c7, black bishop at e7 and black pawn at h7. Black pawn at d6, black queen at g6 and black knight at h6. White pawn at a5 and black pawn at e5. White queen at a4, white pawn at c4, white knight at d4, black pawn at f4 and black pawn at g4. White bishop at c3, white pawn at e3, white pawn at f3 and white pawn at g3. White pawn at a2, white pawn at d2, white king at e2 and white pawn at h2. White rook at a1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 18. Black to move.