1. Rook 57,195 positions 47.5% · 15,263 recurring · R+2P v R+1P · R+3P v R+2P · R+1P v R
2. Pawn 29,718 positions 24.7% · 12,480 recurring · 1P v - · R+1P v R · 2P v 1P
3. Queen 13,730 positions 11.4% · 238 recurring · Q+4P v Q+3P · Q+3P v Q+2P · Q+5P v Q+4P
4. Opposite-colored bishops 11,204 positions 9.3% · 239 recurring · B+3P v B+2P · B+4P v B+3P · B+2P v B+1P
5. Same-colored bishops 8,591 positions 7.1% · 199 recurring · B+4P v B+3P · B+4P v B+4P · B+5P v B+5P