MESON Chess Problem Database

Problem Display
PID: 141867 (2Q5/3p4/3ppp2/3R1R2/8/3Pkp2/5p2/2K2B2 w - - 0 1)

Velimirovic, Milan

Mat, 1979

2Q5/3p4/3ppp2/3R1R2/8/3Pkp2/5p2/2K2B2

#2

6 + 7

6490 yacpdb 2011

SOLUTION

  • SOUND
  • Tries
    • 1.Kb1?
      • threat
        • 2.Qc1#
      • 1...Kd2
        • 2.Qc1#
      • 1...exd5!
    • 1.Kb2?
      • threat
        • 2.Qc1#
      • 1...Kd2
        • 2.Qc1#
      • 1...exd5!
    • 1.Rde5+?
      • 1...Kd4
        • 2.Re4#
        • 2.Qc4#
      • 1...dxe5
        • 2.Qc5#
      • 1...fxe5!
    • 1.Qc3?
      • threat
        • 2.Qd2#
        • 2.Qd4#
      • 1...e5
        • 2.Qd2#
      • 1...exd5!
  • Keys
    • 1.Qc4!
      • threat
        • 2.Qd4#
        • 2.Qe4#
        • 2.Qf4#
      • 1...exd5
        • 2.Qf4#
      • 1...exf5
        • 2.Qd4#
      • 1...e5
        • 2.Qe4#

This is a version

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Threat
        • QAB(F)
      • Vars
        • K(b);S_FLIGHT::QAB1(F)
      • Refutation
        • P(e);XR(D)
    • Try
      • K(A);S_FLIGHT
      • Threat
        • QAB(F)
      • Vars
        • K(b);S_FLIGHT::QAB1(F)
      • Refutation
        • P(e);XR(D)
    • Try
      • R(D);CHECK
      • Vars
        • P(d);XR(D)::QAB(F)
      • Refutation
        • P(f);XR(D)
    • Try
      • Q(F);
      • Threat
        • DUALS(2)
      • Vars
        • P(e);::QAB1(F)
      • Refutation
        • P(e);XR(D)
  • Actual
    • Q(F);
    • Threat
      • DUALS(3)
    • Vars
      • P(e);XR(D)::QAB1(F)
      • P(e);XR(E)::QAB1(F)
      • P(e);::QAR1(F)
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