1rbq1b1r/1p1p1k2/p3pp1p/2pP3P/1P1n1PR1/1Q4P1/P1P1PN2/RN1K1B2 w - - 4 20
FEN state: 1rbq1b1r/1p1p1k2/p3pp1p/2pP3P/1P1n1PR1/1Q4P1/P1P1PN2/RN1K1B2 w - - 4 20 ; Best move: b3d3
The current state of the chess board is: Black rook at b8, black bishop at c8, black queen at d8, black bishop at f8 and black rook at h8. Black pawn at b7, black pawn at d7 and black king at f7. Black pawn at a6, black pawn at e6, black pawn at f6 and black pawn at h6. Black pawn at c5, white pawn at d5 and white pawn at h5. White pawn at b4, black knight at d4, white pawn at f4 and white rook at g4. White queen at b3 and white pawn at g3. White pawn at a2, white pawn at c2, white pawn at e2 and white knight at f2. White rook at a1, white knight at b1, white king at d1 and white bishop at f1. Both players have exhausted their castles. Half move number is 4. Full move number is 20. White to move.