r1bq1r2/pppppk2/2nn1b1p/1N6/1P3PpP/2P5/PB1KP1P1/R4BNR b - - 3 15
FEN state: r1bq1r2/pppppk2/2nn1b1p/1N6/1P3PpP/2P5/PB1KP1P1/R4BNR b - - 3 15 ; Best move: d6e4
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8 and black rook at f8. Black pawn at a7, black pawn at b7, black pawn at c7, black pawn at d7, black pawn at e7 and black king at f7. Black knight at c6, black knight at d6, black bishop at f6 and black pawn at h6. White knight at b5. White pawn at b4, white pawn at f4, black pawn at g4 and white pawn at h4. White pawn at c3. White pawn at a2, white bishop at b2, white king at d2, white pawn at e2 and white pawn at g2. White rook at a1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 3. Full move number is 15. Black to move.