1nbk1bnr/r2p1p2/2P1p3/pp4p1/1q2P2p/N5P1/P1P2PBP/1RBQ1KNR b - - 0 13
FEN state: 1nbk1bnr/r2p1p2/2P1p3/pp4p1/1q2P2p/N5P1/P1P2PBP/1RBQ1KNR b - - 0 13 ; Best move: b4a4
The current state of the chess board is: Black knight at b8, black bishop at c8, black king at d8, black bishop at f8, black knight at g8 and black rook at h8. Black rook at a7, black pawn at d7 and black pawn at f7. White pawn at c6 and black pawn at e6. Black pawn at a5, black pawn at b5 and black pawn at g5. Black queen at b4, white pawn at e4 and black pawn at h4. White knight at a3 and white pawn at g3. White pawn at a2, white pawn at c2, white pawn at f2, white bishop at g2 and white pawn at h2. White rook at b1, white bishop at c1, white queen at d1, white king at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 13. Black to move.