1nb1r3/2p1knbp/1r2pp2/p3p2P/q3P1p1/PPP3PR/RN1P1P2/1NB1K3 w - - 2 20
FEN state: 1nb1r3/2p1knbp/1r2pp2/p3p2P/q3P1p1/PPP3PR/RN1P1P2/1NB1K3 w - - 2 20 ; Best move: b2a4
The current state of the chess board is: Black knight at b8, black bishop at c8 and black rook at e8. Black pawn at c7, black king at e7, black knight at f7, black bishop at g7 and black pawn at h7. Black rook at b6, black pawn at e6 and black pawn at f6. Black pawn at a5, black pawn at e5 and white pawn at h5. Black queen at a4, white pawn at e4 and black pawn at g4. White pawn at a3, white pawn at b3, white pawn at c3, white pawn at g3 and white rook at h3. White rook at a2, white knight at b2, white pawn at d2 and white pawn at f2. White knight at b1, white bishop at c1 and white king at e1. Both players have exhausted their castles. Half move number is 2. Full move number is 20. White to move.