r1b2bnr/4k1p1/ppp5/4p1Np/q3P3/1P4PB/PB1P1P1P/RN1KR3 w - - 0 20
FEN state: r1b2bnr/4k1p1/ppp5/4p1Np/q3P3/1P4PB/PB1P1P1P/RN1KR3 w - - 0 20 ; Best move: b3a4
The current state of the chess board is: Black rook at a8, black bishop at c8, black bishop at f8, black knight at g8 and black rook at h8. Black king at e7 and black pawn at g7. Black pawn at a6, black pawn at b6 and black pawn at c6. Black pawn at e5, white knight at g5 and black pawn at h5. Black queen at a4 and white pawn at e4. White pawn at b3, white pawn at g3 and white bishop at h3. White pawn at a2, white bishop at b2, white pawn at d2, white pawn at f2 and white pawn at h2. White rook at a1, white knight at b1, white king at d1 and white rook at e1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. White to move.