1rb1k1r1/2pp1p1p/4p2b/ppn5/2P2P2/2N1P1P1/Pq1PN1BP/R1B3KR b - - 5 18
FEN state: 1rb1k1r1/2pp1p1p/4p2b/ppn5/2P2P2/2N1P1P1/Pq1PN1BP/R1B3KR b - - 5 18 ; Best move: b2a1
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at e8 and black rook at g8. Black pawn at c7, black pawn at d7, black pawn at f7 and black pawn at h7. Black pawn at e6 and black bishop at h6. Black pawn at a5, black pawn at b5 and black knight at c5. White pawn at c4 and white pawn at f4. White knight at c3, white pawn at e3 and white pawn at g3. White pawn at a2, black queen at b2, white pawn at d2, white knight at e2, white bishop at g2 and white pawn at h2. White rook at a1, white bishop at c1, white king at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 5. Full move number is 18. Black to move.