MESON Chess Problem Database

Problem Display
PID: 165447 (2K5/2Bpp3/4k3/2p2R2/1pP1P3/3n4/Q7/8 w - - 0 1)

Reitman, Mark

Chervoni Girnik-75 JT, 1999

2K5/2Bpp3/4k3/2p2R2/1pP1P3/3n4/Q7/8

#2

6 + 6

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...d5
      • 2.Qa6#
      • 2.cxd5#
  • Tries
    • 1.Qg2?
      • threat
        • 2.Qg6#
        • 2.Qg8#
      • 1...Sf4
        • 2.Qg8#
      • 1...Se5!
    • 1.Qh2?
      • threat
        • 2.Qh6#
      • 1...Se5
        • 2.Qxe5#
      • 1...Sf4!
    • 1.Qa4?
      • threat
        • 2.Qxd7#
      • 1...d5
        • 2.Qc6#
        • 2.Qd7#
        • 2.Qa6#
        • 2.cxd5#
      • 1...d6
        • 2.Qd7#
      • 1...Se5!
    • 1.Qa8?
      • threat
        • 2.Qd5#
      • 1...d5
        • 2.Qxd5#
        • 2.Qc6#
        • 2.Qa6#
        • 2.cxd5#
      • 1...Sf4!
  • Keys
    • 1.Qd2!
      • threat
        • 2.Qh6#
      • 1...Sf4
        • 2.Qxd7#
      • 1...Se5
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • S(a);::QAB(A)
      • Refutation
        • S(a);
    • Try
      • Q(A);
      • Threat
        • QAR(A)
      • Vars
        • S(a);N_GUARD::QAR1(A),XS(a)
      • Refutation
        • S(a);
    • Try
      • Q(A);
      • Threat
        • QAB1(A),XP(e)
      • Vars
        • P(e);::QAB1(A)
      • Refutation
        • S(a);
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Refutation
        • S(a);
  • Actual
    • Q(A);
    • Threat
      • QAR(A)
    • Vars
      • S(a);OGATE::QAB1(A),XP(e)
      • S(a);OGATE::QAB1(A)
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