MESON Chess Problem Database

Problem Display
PID: 262947 (6r1/1p1Q1p2/7N/qp6/6Pk/4B3/8/5B1K w - - 0 1)

Somma, Francesco

L'Echiquier, 1928

6r1/1p1Q1p2/7N/qp6/6Pk/4B3/8/5B1K

#2

6 + 6

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Rxg4
      • 2.Qxg4#
    • 1...Rg5
      • 2.Bf2#
  • Keys
    • 1.Qd1!
      • threat
        • 2.Sf5#
      • 1...Kg3
        • 2.Sf5#
      • 1...Rxg4
        • 2.Qxg4#
      • 1...Rg5
        • 2.Bf2#
      • 1...b4
        • 2.Qe1#
      • 1...f5
        • 2.Sxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(f);OGATE,XP(D)::QAR1(F),XR(f)
    • R(f);SBLOCK::B(C)
  • Actual
    • Q(F);
    • Threat
      • S(E)
    • Vars
      • K(a);S_FLIGHT::S(E)
      • R(f);OGATE,XP(D)::QAR1(F),XR(f)
      • R(f);SBLOCK::B(C)
      • P(c);S_CUTQ(b)::QAB(F)
      • P(e);::S(E),XP(e)
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