rnq2br1/4p2p/b1pk1nN1/1p3p2/1p6/B1PB1P2/P2P1K1P/RN1Q3R w - - 0 20
FEN state: rnq2br1/4p2p/b1pk1nN1/1p3p2/1p6/B1PB1P2/P2P1K1P/RN1Q3R w - - 0 20 ; Best move: a3b4
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at c8, black bishop at f8 and black rook at g8. Black pawn at e7 and black pawn at h7. Black bishop at a6, black pawn at c6, black king at d6, black knight at f6 and white knight at g6. Black pawn at b5 and black pawn at f5. Black pawn at b4. White bishop at a3, white pawn at c3, white bishop at d3 and white pawn at f3. White pawn at a2, white pawn at d2, white king at f2 and white pawn at h2. White rook at a1, white knight at b1, white queen at d1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. White to move.