rnq1k2r/pb1p3p/1p5b/1NN1p1p1/1P1PnPP1/B1PB4/P7/R2QK2R w KQkq - 1 20
FEN state: rnq1k2r/pb1p3p/1p5b/1NN1p1p1/1P1PnPP1/B1PB4/P7/R2QK2R w KQkq - 1 20 ; Best move: d3e4
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at c8, black king at e8 and black rook at h8. Black pawn at a7, black bishop at b7, black pawn at d7 and black pawn at h7. Black pawn at b6 and black bishop at h6. White knight at b5, white knight at c5, black pawn at e5 and black pawn at g5. White pawn at b4, white pawn at d4, black knight at e4, white pawn at f4 and white pawn at g4. White bishop at a3, white pawn at c3 and white bishop at d3. White pawn at a2. White rook at a1, white queen at d1, white king at e1 and white rook at h1. White kingside, white queenside, black kingside and black queenside castles are available. Half move number is 1. Full move number is 20. White to move.