r1b2nr1/ppp1p1b1/4k3/1q1p1pBp/1P1PP1nP/P2B1P2/2P3P1/RN1K1Q1R w - - 5 20
FEN state: r1b2nr1/ppp1p1b1/4k3/1q1p1pBp/1P1PP1nP/P2B1P2/2P3P1/RN1K1Q1R w - - 5 20 ; Best move: d3b5
The current state of the chess board is: Black rook at a8, black bishop at c8, black knight at f8 and black rook at g8. Black pawn at a7, black pawn at b7, black pawn at c7, black pawn at e7 and black bishop at g7. Black king at e6. Black queen at b5, black pawn at d5, black pawn at f5, white bishop at g5 and black pawn at h5. White pawn at b4, white pawn at d4, white pawn at e4, black knight at g4 and white pawn at h4. White pawn at a3, white bishop at d3 and white pawn at f3. White pawn at c2 and white pawn at g2. White rook at a1, white knight at b1, white king at d1, white queen at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 5. Full move number is 20. White to move.