MESON Chess Problem Database

Problem Display
PID: 161034 (2N1K3/1p6/3pkp2/Q7/8/8/8/8 w - - 0 1)

Rumyantsev, Sergei Yuryewitch

Cherkasski krai, 1998

2N1K3/1p6/3pkp2/Q7/8/8/8/8

#2

3 + 4

15148 Sadier Collection 2017
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sb6?
      • threat
        • 2.Qd5#
      • 1...d5
        • 2.Qxd5#
      • 1...f5!
  • Keys
    • 1.Se7!
      • threat
        • 2.Qe1#
        • 2.Qd5#
        • 2.Qf5#
      • 1...d5
        • 2.Qxd5#
      • 1...f5
        • 2.Qxf5#
      • 1...b5
        • 2.Qe1#

This anticipates 234688(2011)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • QAB1(A)
      • Vars
        • P(a);::QAB1(A),XP(a)
      • Refutation
        • P(c);
  • Actual
    • S(B);
    • Threat
      • DUALS(3)
    • Vars
      • P(a);::QAB1(A),XP(a)
      • P(c);::QAB1(A),XP(c)
      • P(d);::QAR(A)
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