rn1kq1nr/p5bp/1p2bp2/2pN2p1/P1PN2P1/1P5P/RB1PKPR1/3Q1B2 b - - 0 20
FEN state: rn1kq1nr/p5bp/1p2bp2/2pN2p1/P1PN2P1/1P5P/RB1PKPR1/3Q1B2 b - - 0 20 ; Best move: e6g4
The current state of the chess board is: Black rook at a8, black knight at b8, black king at d8, black queen at e8, black knight at g8 and black rook at h8. Black pawn at a7, black bishop at g7 and black pawn at h7. Black pawn at b6, black bishop at e6 and black pawn at f6. Black pawn at c5, white knight at d5 and black pawn at g5. White pawn at a4, white pawn at c4, white knight at d4 and white pawn at g4. White pawn at b3 and white pawn at h3. White rook at a2, white bishop at b2, white pawn at d2, white king at e2, white pawn at f2 and white rook at g2. White queen at d1 and white bishop at f1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. Black to move.