b6r/2k3pp/rpp1pp1n/p1bp4/1QPP4/P1P1KP1P/R5P1/BN3BNR w - - 0 20
FEN state: b6r/2k3pp/rpp1pp1n/p1bp4/1QPP4/P1P1KP1P/R5P1/BN3BNR w - - 0 20 ; Best move: b4b2
The current state of the chess board is: Black bishop at a8 and black rook at h8. Black king at c7, black pawn at g7 and black pawn at h7. Black rook at a6, black pawn at b6, black pawn at c6, black pawn at e6, black pawn at f6 and black knight at h6. Black pawn at a5, black bishop at c5 and black pawn at d5. White queen at b4, white pawn at c4 and white pawn at d4. White pawn at a3, white pawn at c3, white king at e3, white pawn at f3 and white pawn at h3. White rook at a2 and white pawn at g2. White bishop at a1, white knight at b1, white bishop 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 20. White to move.