MESON Chess Problem Database

Problem Display
PID: 213657 (8/8/ppp5/1k6/8/1K6/8/6Q1 w - - 0 1)

Kashcheev, Niktopolion Pavlovich

Land og Folk, 1973

8/8/ppp5/1k6/8/1K6/8/6Q1

#2

2 + 4

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qa1?
      • 1...Kc5
        • 2.Qe5#
      • 1...c5
        • 2.Qa4#
      • 1...a5!
    • 1.Qg4?
      • threat
        • 2.Qb4#
      • 1...Ka5
        • 2.Qa4#
        • 2.Qb4#
      • 1...a5
        • 2.Qc4#
      • 1...c5
        • 2.Qa4#
      • 1...Kc5!
  • Keys
    • 1.Qd4!
      • threat
        • 2.Qb4#
      • 1...Ka5
        • 2.Qa4#
        • 2.Qb4#
      • 1...c5
        • 2.Qa4#
      • 1...a5
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Vars
        • K(a);P-FLIGHT::QAR2(A)
        • P(d);SBLOCK::QAB1(A)
      • Refutation
        • P(b);
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Vars
        • P(b);SBLOCK::QAB1(A)
        • P(d);SBLOCK::QAB1(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(A);
    • Threat
      • QAR1(A)
    • Vars
      • P(d);SBLOCK::QAB1(A)
      • P(b);SBLOCK::QAB1(A)
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