MESON Chess Problem Database

Problem Display
PID: 150706 (8/8/8/5P2/2P1kB2/4P3/K5RQ/8 w - - 0 1)

Akimov, Nikolai Nikolaevich

Sachsische Zeitung, 2011

8/8/8/5P2/2P1kB2/4P3/K5RQ/8

#2

7 + 1

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Tries
    • 1.Rb2?
      • 1...Kd3
        • 2.Qc2#
      • 1...Kf3
        • 2.Qg2#
      • 1...Kxf5!
    • 1.Rd2?
      • 1...Kf3
        • 2.Qg2#
      • 1...Kxf5!
    • 1.Rg5?
      • 1...Kf3
        • 2.Qg2#
      • 1...Kd3!
    • 1.Rg6?
      • 1...Kf3
        • 2.Qg2#
      • 1...Kxf5
        • 2.Qc2#
      • 1...Kd3!
    • 1.Qg3?
      • 1...Kxf5
        • 2.Qg6#
      • 1...Kd3!
    • 1.Qh6?
      • 1...Kf3
        • 2.Qc6#
      • 1...Kxf5
        • 2.Qg6#
      • 1...Kd3!
    • 1.Qh7?
      • 1...Kf3
        • 2.Qb7#
      • 1...Kd3!
  • Keys
    • 1.Qh8!
      • 1...Kd3
        • 2.Qd4#
      • 1...Kf3
        • 2.Qa8#
      • 1...Kxf5
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);
      • Vars
        • K(a);S_FLIGHT::QAB1(C)
      • Refutation
        • K(a);S_FLIGHT,XP(G)
    • Try
      • R(B);
      • Vars
        • K(a);S_FLIGHT::QAB1(C)
      • Refutation
        • K(a);S_FLIGHT,XP(G)
    • Try
      • R(B);
      • Vars
        • K(a);S_FLIGHT::QAB1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(B);
      • Vars
        • K(a);S_FLIGHT::QAB1(C)
        • K(a);S_FLIGHT,XP(G)::QAB(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(a);OGATEB,S_FLIGHT,XP(G)::QAB1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(a);S_FLIGHT::QAB(C)
        • K(a);OGATEB,S_FLIGHT,XP(G)::QAB1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(a);S_FLIGHT::QAB(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(C);
    • Vars
      • K(a);S_FLIGHT::QAR1(C)
      • K(a);S_FLIGHT::QAB(C)
      • K(a);S_FLIGHT,XP(G)::QAR1(C)
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