1n1q1bn1/r3pkpr/2p2p2/p1Pp1b1p/pP6/R4P1P/1B1PPKPR/1N1Q1BN1 w - - 2 13
FEN state: 1n1q1bn1/r3pkpr/2p2p2/p1Pp1b1p/pP6/R4P1P/1B1PPKPR/1N1Q1BN1 w - - 2 13 ; Best move: a3a4
The current state of the chess board is: Black knight at b8, black queen at d8, black bishop at f8 and black knight at g8. Black rook at a7, black pawn at e7, black king at f7, black pawn at g7 and black rook at h7. Black pawn at c6 and black pawn at f6. Black pawn at a5, white pawn at c5, black pawn at d5, black bishop at f5 and black pawn at h5. Black pawn at a4 and white pawn at b4. White rook at a3, white pawn at f3 and white pawn at h3. White bishop at b2, white pawn at d2, white pawn at e2, white king at f2, white pawn at g2 and white rook at h2. White knight at b1, white queen at d1, white bishop at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 2. Full move number is 13. White to move.