rn1k2n1/1p3q1r/2p1b1p1/p2pp1Pp/P1P3Q1/NP1PP3/5PPR/R1B1KBN1 w - - 5 21
FEN state: rn1k2n1/1p3q1r/2p1b1p1/p2pp1Pp/P1P3Q1/NP1PP3/5PPR/R1B1KBN1 w - - 5 21 ; Best move: g4d1
The current state of the chess board is: Black rook at a8, black knight at b8, black king at d8 and black knight at g8. Black pawn at b7, black queen at f7 and black rook at h7. Black pawn at c6, black bishop at e6 and black pawn at g6. Black pawn at a5, black pawn at d5, black pawn at e5, white pawn at g5 and black pawn at h5. White pawn at a4, white pawn at c4 and white queen at g4. White knight at a3, white pawn at b3, white pawn at d3 and white pawn at e3. White pawn at f2, white pawn at g2 and white rook at h2. White rook at a1, white bishop at c1, white king at e1, white bishop at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 5. Full move number is 21. White to move.