r5nr/p2p2kp/bnp3p1/1p2pp2/3PP3/bP3NP1/P1PN1KR1/R1B1QB2 b - - 3 18
FEN state: r5nr/p2p2kp/bnp3p1/1p2pp2/3PP3/bP3NP1/P1PN1KR1/R1B1QB2 b - - 3 18 ; Best move: a3b4
The current state of the chess board is: Black rook at a8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at d7, black king at g7 and black pawn at h7. Black bishop at a6, black knight at b6, black pawn at c6 and black pawn at g6. Black pawn at b5, black pawn at e5 and black pawn at f5. White pawn at d4 and white pawn at e4. Black bishop at a3, white pawn at b3, white knight at f3 and white pawn at g3. White pawn at a2, white pawn at c2, white knight at d2, white king at f2 and white rook at g2. White rook at a1, white bishop at c1, white queen at e1 and white bishop at f1. Both players have exhausted their castles. Half move number is 3. Full move number is 18. Black to move.