1r2kbnr/p4p1N/np5B/2qppb2/3pN3/PPP1Q3/5PBP/R3K2R w KQk - 3 20
FEN state: 1r2kbnr/p4p1N/np5B/2qppb2/3pN3/PPP1Q3/5PBP/R3K2R w KQk - 3 20 ; Best move: e4c5
The current state of the chess board is: Black rook at b8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at f7 and white knight at h7. Black knight at a6, black pawn at b6 and white bishop at h6. Black queen at c5, black pawn at d5, black pawn at e5 and black bishop at f5. Black pawn at d4 and white knight at e4. White pawn at a3, white pawn at b3, white pawn at c3 and white queen at e3. White pawn at f2, white bishop at g2 and white pawn at h2. White rook at a1, white king at e1 and white rook at h1. White kingside, white queenside and black kingside castles are available. Half move number is 3. Full move number is 20. White to move.