2b1kbr1/rppp1pq1/3p3n/p1P4p/1n4Pp/P1NP1P2/1P1KP3/R2Q1BNR w - - 2 20
FEN state: 2b1kbr1/rppp1pq1/3p3n/p1P4p/1n4Pp/P1NP1P2/1P1KP3/R2Q1BNR w - - 2 20 ; Best move: a3b4
The current state of the chess board is: Black bishop at c8, black king at e8, black bishop at f8 and black rook at g8. Black rook at a7, black pawn at b7, black pawn at c7, black pawn at d7, black pawn at f7 and black queen at g7. Black pawn at d6 and black knight at h6. Black pawn at a5, white pawn at c5 and black pawn at h5. Black knight at b4, white pawn at g4 and black pawn at h4. White pawn at a3, white knight at c3, white pawn at d3 and white pawn at f3. White pawn at b2, white king at d2 and white pawn at e2. White rook at a1, white queen at d1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 20. White to move.