MESON Chess Problem Database

Problem Display
PID: 231424 (3B4/3R3b/8/1K2k3/8/3pp3/8/7Q w - - 0 1)

Henriksen, Thorleif Cammillo

Nova Paka, 1927

3B4/3R3b/8/1K2k3/8/3pp3/8/7Q

#2

4 + 4

5454 Near Snap 2021
6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ke6
      • 2.Qd5#
  • Keys
    • 1.Rd4!
      • threat
        • 2.Qd5#
      • 1...Kxd4
        • 2.Bf6#
      • 1...Kf5
        • 2.Qe4#
      • 1...Ke6
        • 2.Qd5#
      • 1...Be4
        • 2.Qxe4#
      • 1...Bg8
        • 2.Qe4#

This anticipates 103772(1997)

This is a version of 231423

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(c);P-FLIGHT::QAB1(A)
  • Actual
    • R(C);
    • Threat
      • QAR1(A)
    • Vars
      • K(c);S_FLIGHT,XR(C)::B(D)
      • K(c);P-FLIGHT::QAB1(A)
      • B(d);N_GUARD::QAR1(A),XB(d)
      • B(d);N_GUARD::QAR1(A)
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