r1b1k2r/1pbp1n1p/p1q2pp1/4p3/3pP1PP/N2BBPK1/PPQ5/R5NR w kq - 1 20
FEN state: r1b1k2r/1pbp1n1p/p1q2pp1/4p3/3pP1PP/N2BBPK1/PPQ5/R5NR w kq - 1 20 ; Best move: e3d2
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8 and black rook at h8. Black pawn at b7, black bishop at c7, black pawn at d7, black knight at f7 and black pawn at h7. Black pawn at a6, black queen at c6, black pawn at f6 and black pawn at g6. Black pawn at e5. Black pawn at d4, white pawn at e4, white pawn at g4 and white pawn at h4. White knight at a3, white bishop at d3, white bishop at e3, white pawn at f3 and white king at g3. White pawn at a2, white pawn at b2 and white queen at c2. White rook at a1, white knight at g1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 1. Full move number is 20. White to move.