MESON Chess Problem Database

Problem Display
PID: 193477 (8/8/8/4b3/3Q1R2/8/8/1k2K2R w K - 0 1)

Petsch-Manskopf, Eduard

Schachprobleme, 1915

8/8/8/4b3/3Q1R2/8/8/1k2K2R

#2

4 + 2

6490 yacpdb 2019
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Rh2?
      • threat
        • 2.Qd1#
      • 1...Kc1
        • 2.Qd1#
      • 1...Bxf4
        • 2.Qb2#
      • 1...Bxd4!
  • Keys
    • 1.Rf2!
      • threat
        • 2.Qd1#
        • 2.0-0#
      • 1...Kc1
        • 2.Qd1#
        • 2.0-0#
      • 1...Bxd4
        • 2.0-0#
      • 1...Bh2
        • 2.Qb2#
        • 2.Qd1#
      • 1...Bf4
        • 2.Qb2#

This anticipates 99651(1968)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);
      • Threat
        • QAR2(C)
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
        • B(b);N_GUARD,XR(D)::QAR1(C)
      • Refutation
        • B(b);XQ(C)
  • Actual
    • R(D);
    • Threat
      • DUALS(2)
    • Vars
      • B(b);XQ(C)::0-0
      • B(b);N_GUARD::QAR1(C)
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