MESON Chess Problem Database

Problem Display
PID: 263258 (2B3K1/3Q4/8/8/r4P1b/6kr/5R2/8 w - - 0 1)

Kruk, Henryk

Szachy, 1985

2B3K1/3Q4/8/8/r4P1b/6kr/5R2/8

#2

5 + 4

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Rf1?
      • threat
        • 2.Qxh3#
      • 1...Kg2
        • 2.Qxh3#
      • 1...Kh2
        • 2.Qxh3#
      • 1...Rh2
        • 2.Qg4#
      • 1...Rh1!
  • Keys
    • 1.Re2!
      • threat
        • 2.Qg4#
      • 1...Kf3
        • 2.Qg4#
      • 1...Kxf4
        • 2.Qg4#
      • 1...Rxf4
        • 2.Qxh3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(A);
      • Threat
        • QAR1(C),XR(b)
      • Vars
        • K(a);P-FLIGHT::QAB1(C),XR(b)
        • K(a);S_FLIGHT::QAR1(C),XR(b)
        • R(b);SBLOCK::QAR1(C)
      • Refutation
        • R(b);
  • Actual
    • R(A);
    • Threat
      • QAR1(C)
    • Vars
      • K(a);P-FLIGHT::QAB1(C)
      • K(a);S_FLIGHT,XP(B)::QAR1(C)
      • R(c);SBLOCK,XP(B)::QAR1(C),XR(b)
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