rnbq1kn1/2pp2pr/1p2p3/p2N1p1p/3P1P1P/1P2P2R/PbPB1KP1/RQ3BN1 w - - 3 13
FEN state: rnbq1kn1/2pp2pr/1p2p3/p2N1p1p/3P1P1P/1P2P2R/PbPB1KP1/RQ3BN1 w - - 3 13 ; Best move: d5b6
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8, black king at f8 and black knight at g8. Black pawn at c7, black pawn at d7, black pawn at g7 and black rook at h7. Black pawn at b6 and black pawn at e6. Black pawn at a5, white knight at d5, black pawn at f5 and black pawn at h5. White pawn at d4, white pawn at f4 and white pawn at h4. White pawn at b3, white pawn at e3 and white rook at h3. White pawn at a2, black bishop at b2, white pawn at c2, white bishop at d2, white king at f2 and white pawn at g2. White rook at a1, white queen at b1, white bishop at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 3. Full move number is 13. White to move.