MESON Chess Problem Database

Problem Display
PID: 165460 (8/7R/kp6/p3K3/8/8/1Q6/8 w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

Sem Shakhmatnikh not, 2014

8/7R/kp6/p3K3/8/8/1Q6/8

#2

3 + 3

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Ke4?
      • 1...b5
        • 2.Qf6#
      • 1...a4!
    • 1.Kf4?
      • 1...b5
        • 2.Qf6#
      • 1...a4!
    • 1.Kd5?
      • 1...b5
        • 2.Qf6#
      • 1...a4!
    • 1.Kf5?
      • 1...b5
        • 2.Qf6#
      • 1...a4!
    • 1.Rb7?
      • threat
        • 2.Qxb6#
      • 1...b5
        • 2.Qxb5#
      • 1...Kxb7!
    • 1.Qa3?
      • 1...a4
        • 2.Qxa4#
      • 1...b5
        • 2.Qd6#
      • 1...Kb5!
    • 1.Qd4?
      • 1...a4
        • 2.Qxa4#
      • 1...b5
        • 2.Ra7#
        • 2.Qa7#
        • 2.Qd6#
      • 1...Kb5!
    • 1.Qb1?
      • 1...b5
        • 2.Qg6#
      • 1...a4!
    • 1.Qa2?
      • 1...a4
        • 2.Qxa4#
      • 1...b5
        • 2.Qe6#
      • 1...Kb5!
    • 1.Qc2?
      • 1...a4
        • 2.Qxa4#
      • 1...b5
        • 2.Qg6#
        • 2.Qc6#
      • 1...Kb5!
    • 1.Qb4?
      • 1...b5
        • 2.Qd6#
      • 1...a4
        • 2.Qxa4#
      • 1...axb4!
  • Keys
    • 1.Qb3!
      • 1...a4
        • 2.Qxa4#
      • 1...b5
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • P(c);OGATEB,SBLOCK::QAR(A)
      • Refutation
        • P(a);
    • Try
      • K(B);S_FLIGHT
      • Vars
        • P(c);OGATEB,SBLOCK::QAR(A)
      • Refutation
        • P(a);
    • Try
      • K(B);P-FLIGHT
      • Vars
        • P(c);OGATEB,SBLOCK::QAR(A)
      • Refutation
        • P(a);
    • Try
      • K(B);P-FLIGHT
      • Vars
        • P(c);OGATEB,SBLOCK::QAR(A)
      • Refutation
        • P(a);
    • Try
      • R(C);
      • Threat
        • QAR1(A),XP(c)
      • Vars
        • P(c);::QAB1(A),XP(c)
      • Refutation
        • K(b);P_SPINP(c),S_FLIGHT,XR(C)
    • Try
      • Q(A);P_PINP(a)
      • Vars
        • P(a);OGATEB::QAR2(A),XP(a)
        • P(c);OGATEB,SBLOCK::QAR(A)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • P(a);OGATEB::QAR2(A),XP(a)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • P(c);OGATEB,SBLOCK::QAR(A)
      • Refutation
        • P(a);
    • Try
      • Q(A);P_PINP(a)
      • Vars
        • P(a);OGATEB::QAR2(A),XP(a)
        • P(c);OGATEB,SBLOCK::QAR(A)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • P(a);OGATEB::QAR2(A),XP(a)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • P(c);OGATEB,SBLOCK::QAR(A)
        • P(a);OGATEB::QAR2(A),XP(a)
      • Refutation
        • P(a);XQ(A)
  • Actual
    • Q(A);
    • Vars
      • P(a);OGATEB::QAR2(A),XP(a)
      • P(c);OGATEB,SBLOCK::QAR(A)
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