MESON Chess Problem Database

Problem Display
PID: 35836 (2Q5/8/8/8/8/2K2n2/4R1R1/5k1n w - - 0 1)

Reitman, Mark

Smena, 1999

2Q5/8/8/8/8/2K2n2/4R1R1/5k1n

#2

4 + 3

3657 Izbrannie Shakhmatnie Zadachi Marka Reitmana 2000

SOLUTION

  • SOUND
  • Tries
    • 1.Qf5?
      • 1...Sg3
        • 2.Qxf3#
      • 1...Sf2!
    • 1.Qc5?
      • 1...Sf2
        • 2.Qxf2#
      • 1...Sg3
        • 2.Qf2#
      • 1...Se1
        • 2.Qg1#
      • 1...Sg1
        • 2.Qxg1#
      • 1...Sd2
        • 2.Qg1#
      • 1...Sh2
        • 2.Qg1#
      • 1...Sh4
        • 2.Qg1#
      • 1...Se5
        • 2.Qg1#
      • 1...Sg5
        • 2.Qg1#
      • 1...Sd4!
    • 1.Qf8?
      • 1...Sg3
        • 2.Qxf3#
      • 1...Sf2!
  • Keys
    • 1.Qg4!
      • 1...Sf2
        • 2.Rgxf2#
      • 1...Sg3
        • 2.Qxf3#
      • 1...Se1
        • 2.Rg1#
      • 1...Sg1
        • 2.Rxg1#
      • 1...Sd2
        • 2.Rg1#
      • 1...Sh2
        • 2.Rg1#
      • 1...Sd4
        • 2.Rg1#
      • 1...Sh4
        • 2.Rg1#
      • 1...Se5
        • 2.Rg1#
      • 1...Sg5
        • 2.Rg1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);P_PINS(c)
      • Vars
        • S(b);N_GUARD::QAR2(D),XS(c)
      • Refutation
        • S(b);N_SPINS(c)
    • Try
      • Q(D);
      • Vars
        • S(b);N_GUARD::QAR1(D),XS(b)
        • S(b);N_GUARD::QAR1(D)
        • S(c);N_GUARD::QAR1(D)
        • S(c);N_GUARD::QAR1(D),XS(c)
      • Refutation
        • S(c);
    • Try
      • Q(D);P_PINS(c)
      • Vars
        • S(b);N_GUARD::QAR2(D),XS(c)
      • Refutation
        • S(b);N_SPINS(c)
  • Actual
    • Q(D);
    • Vars
      • S(b);N_GUARD::R1(B),XS(b)
      • S(b);N_GUARD::QAR2(D),XS(c)
      • S(c);N_GUARD::R1(B)
      • S(c);N_GUARD::R1(B),XS(c)
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