r1bk2nr/p2pb2p/1p3pp1/q1P1P3/P3P1PP/1RN1Kn2/2PQNPR1/2B2B2 w - - 1 20
FEN state: r1bk2nr/p2pb2p/1p3pp1/q1P1P3/P3P1PP/1RN1Kn2/2PQNPR1/2B2B2 w - - 1 20 ; Best move: e3f3
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at d8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at d7, black bishop at e7 and black pawn at h7. Black pawn at b6, black pawn at f6 and black pawn at g6. Black queen at a5, white pawn at c5 and white pawn at e5. White pawn at a4, white pawn at e4, white pawn at g4 and white pawn at h4. White rook at b3, white knight at c3, white king at e3 and black knight at f3. White pawn at c2, white queen at d2, white knight at e2, white pawn at f2 and white rook at g2. White bishop at c1 and white bishop at f1. Both players have exhausted their castles. Half move number is 1. Full move number is 20. White to move.