rn1q1b1r/3k2pp/p1ppp2n/1p3PN1/1P1PPP2/4Q3/bB4KP/RN3B1R w - - 2 20
FEN state: rn1q1b1r/3k2pp/p1ppp2n/1p3PN1/1P1PPP2/4Q3/bB4KP/RN3B1R w - - 2 20 ; Best move: a1a2
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black bishop at f8 and black rook at h8. Black king at d7, black pawn at g7 and black pawn at h7. Black pawn at a6, black pawn at c6, black pawn at d6, black pawn at e6 and black knight at h6. Black pawn at b5, white pawn at f5 and white knight at g5. White pawn at b4, white pawn at d4, white pawn at e4 and white pawn at f4. White queen at e3. Black bishop at a2, white bishop at b2, white king at g2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 20. White to move.