MESON Chess Problem Database

Problem Display
PID: 202479 (8/2K5/2PQ4/7p/1p1R3r/1R6/8/kB2b3 w - - 0 1)

ten Cate, Pieter

Allt for Alla, 1923

8/2K5/2PQ4/7p/1p1R3r/1R6/8/kB2b3

#2

6 + 5

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Rd2?
      • threat
        • 2.Ra2#
      • 1...Rh2
        • 2.Qe5#
        • 2.Qd4#
        • 2.Qf6#
      • 1...Bxd2!
  • Keys
    • 1.Qe5!
      • threat
        • 2.Qa5#
      • 1...Rh2
        • 2.Rd2#
      • 1...Bg3
        • 2.Rf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);
      • Threat
        • R1(C)
      • Refutation
        • B(b);XR(C)
  • Actual
    • Q(E);
    • Threat
      • QAR(E)
    • Vars
      • R(d);N_GUARD::QAB(E)+R(C)
      • B(b);N_GUARD,P_PINQ(E)::QAB(E)+R(C)
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