MESON Chess Problem Database

Problem Display
PID: 190325 (2K2Q2/3R4/1N1P4/kpP3p1/6P1/1p6/1P6/6B1 w - - 0 1)

Murashev, Pavel Aleksandrovich

3rd HM., Sachova skladba, 2010

2K2Q2/3R4/1N1P4/kpP3p1/6P1/1p6/1P6/6B1

#2

9 + 4

3485 Sachova skladba 2011

SOLUTION

  • SOUND
  • Tries
    • 1.Qe7?
      • 1...Kb4
        • 2.Qe1#
      • 1...Ka6
        • 2.Ra7#
      • 1...b4!
    • 1.Qg7?
      • 1...Kb4
        • 2.Qc3#
      • 1...Ka6
        • 2.Ra7#
      • 1...b4!
    • 1.Qf3?
      • 1...Kb4
        • 2.Qc3#
      • 1...Ka6
        • 2.Qa8#
      • 1...b4!
    • 1.Qe8?
      • 1...Kb4
        • 2.Qe1#
      • 1...b4
        • 2.Ra7#
      • 1...Ka6!
  • Keys
    • 1.Qf1!
      • 1...Kb4
        • 2.Qe1#
      • 1...Ka6
        • 2.Qa1#
      • 1...b4
        • 2.Ra7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(I);
      • Vars
        • K(b);S_FLIGHT::QAB(I)
        • K(b);P-FLIGHT::R1(G)
      • Refutation
        • P(c);
    • Try
      • Q(I);
      • Vars
        • K(b);S_FLIGHT::QAB1(I)
        • K(b);P-FLIGHT::R1(G)
      • Refutation
        • P(c);
    • Try
      • Q(I);
      • Vars
        • K(b);S_FLIGHT::QAB1(I)
        • K(b);P-FLIGHT::QAR2(I)
      • Refutation
        • P(c);
    • Try
      • Q(I);
      • Vars
        • K(b);S_FLIGHT::QAB(I)
        • P(c);SBLOCK::R(G)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • Q(I);
    • Vars
      • K(b);S_FLIGHT::QAB(I)
      • K(b);P-FLIGHT,P_SPINP(c)::QAR(I)
      • P(c);SBLOCK::R(G)
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