2bq1b1r/1r1k1p1p/4p3/pP1p2p1/1PPpnP2/N2BPNPP/1B6/R2Q1RK1 w - - 0 20
FEN state: 2bq1b1r/1r1k1p1p/4p3/pP1p2p1/1PPpnP2/N2BPNPP/1B6/R2Q1RK1 w - - 0 20 ; Best move: d3e4
The current state of the chess board is: Black bishop at c8, black queen at d8, black bishop at f8 and black rook at h8. Black rook at b7, black king at d7, black pawn at f7 and black pawn at h7. Black pawn at e6. Black pawn at a5, white pawn at b5, black pawn at d5 and black pawn at g5. White pawn at b4, white pawn at c4, black pawn at d4, black knight at e4 and white pawn at f4. White knight at a3, white bishop at d3, white pawn at e3, white knight at f3, white pawn at g3 and white pawn at h3. White bishop at b2. White rook at a1, white queen at d1, white rook at f1 and white king at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. White to move.