rn2kbnr/1p5p/p1pp4/4pNN1/3q1pP1/P7/Q2PPP1P/R1B1KB1R b KQ - 0 20
FEN state: rn2kbnr/1p5p/p1pp4/4pNN1/3q1pP1/P7/Q2PPP1P/R1B1KB1R b KQ - 0 20 ; Best move: d4d5
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at b7 and black pawn at h7. Black pawn at a6, black pawn at c6 and black pawn at d6. Black pawn at e5, white knight at f5 and white knight at g5. Black queen at d4, black pawn at f4 and white pawn at g4. White pawn at a3. White queen at a2, white pawn at d2, white pawn at e2, white pawn at f2 and white pawn at h2. White rook at a1, white bishop at c1, white king at e1, white bishop at f1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 0. Full move number is 20. Black to move.