MESON Chess Problem Database

Problem Display
PID: 123028 (5B2/5p2/8/1K6/8/1p6/kp4Q1/8 w - - 0 1)

Myhre, Gunnar Frode

Source?, 0000

5B2/5p2/8/1K6/8/1p6/kp4Q1/8

#2

3 + 4

6490 yacpdb 2009
5454 Near Snap 2013

SOLUTION

  • SOUND
  • Tries
    • 1.Bg7?
      • threat
        • 2.Qxb2#
      • 1...Ka1
        • 2.Qxb2#
      • 1...Kb1
        • 2.Qxb2#
      • 1...Ka3
        • 2.Qa8#
        • 2.Qxb2#
      • 1...f6!
  • Keys
    • 1.Ba3!
      • threat
        • 2.Qxb2#
      • 1...Ka1
        • 2.Qxb2#
      • 1...Kb1
        • 2.Qxb2#
      • 1...Kxa3
        • 2.Qa8#

This anticipates 15129(1980)

FEATURES

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