MESON Chess Problem Database

Problem Display
PID: 194242 (8/rp6/4QpK1/8/7b/3N2p1/6p1/k5r1 w - - 0 1)

Kauder, Jiri

Magyar Sakkvilag, 1917

8/rp6/4QpK1/8/7b/3N2p1/6p1/k5r1

#2

3 + 8

5454 Near Snap 2019
6490 yacpdb 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Qe5+?
      • 1...Kb1
        • 2.Qb2#
      • 1...Ka2
        • 2.Qb2#
      • 1...fxe5!
    • 1.Qxf6+?
      • 1...Kb1
        • 2.Qb2#
      • 1...Ka2
        • 2.Qb2#
      • 1...Bxf6!
  • Keys
    • 1.Qb6!
      • threat
        • 2.Qb2#
      • 1...Ka2
        • 2.Qb2#
      • 1...Rb1
        • 2.Qxa7#
      • 1...Ra2
        • 2.Qxg1#

This anticipates 121553(1934), 94523(1943)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(B)
      • Refutation
        • P(f);XQ(B)
    • Try
      • Q(B);CHECK,XP(f)
      • Vars
        • K(a);P-FLIGHT::QAR1(B)
      • Refutation
        • B(e);XQ(B)
  • Actual
    • Q(B);
    • Threat
      • QAB1(B)
    • Vars
      • K(a);P-FLIGHT::QAR1(B)
      • R(b);SBLOCK::QAR(B),XR(g)
      • R(g);SBLOCK::QAR(B),XR(b)
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