MESON Chess Problem Database

Problem Display
PID: 11000 (2b2R2/Kp4n1/pQ1P3N/3Pk3/1N5R/8/r1q5/1BB1rn2 w - - 0 1)

Kriuckov, Sergey Petrovic

1st Prize, 64 Shakhmatnoe obozrenie TT, 1936

2b2R2/Kp4n1/pQ1P3N/3Pk3/1N5R/8/r1q5/1BB1rn2

#2

10 + 9

3098 FIDE Album (1914-1944) (I) 1971

SOLUTION

  • SOUND
  • Sets
    • 1...Qd1
      • 2.Bf4#
    • 1...Qb3
      • 2.Bf4#
    • 1...Qa4
      • 2.Bf4#
    • 1...Qg6
      • 2.Bf4#
    • 1...Qh7
      • 2.Bf4#
    • 1...Qb2
      • 2.Bf4#
    • 1...Qe2
      • 2.Bf4#
    • 1...Qg2
      • 2.Bf4#
    • 1...Qc3
      • 2.Bf4#
    • 1...Qc6
      • 2.Bf4#
    • 1...Qc7
      • 2.Bf4#
  • Tries
    • 1.Sg4+?
      • 1...Ke4
        • 2.Rf4#
      • 1...Bxg4!
  • Keys
    • 1.d7!
      • threat
        • 2.Qf6#
      • 1...Qc6
        • 2.Bf4#
      • 1...Qf5
        • 2.Qc7#
      • 1...Qg6
        • 2.Bf4#
      • 1...Qf2
        • 2.Sg4#
      • 1...Qc5
        • 2.Sf7#
      • 1...Sh5
        • 2.Re8#
        • 2.Qe6#
      • 1...Se6
        • 2.Qxe6#
      • 1...Se8
        • 2.Rxe8#
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 9
  • Sets
    • Q(d);::B(B)
  • Tries
    • Try
      • S(H);CHECK
      • Vars
        • K(e);P-FLIGHT,P_SPINQ(d)::R1(J)
      • Refutation
        • B(i);XS(H)
  • Actual
    • P(G);
    • Threat
      • QAB1(F)
    • Vars
      • Q(d);::B(B)
      • Q(d);N_GUARD::QAB(F)
      • Q(d);P_PINQ(F)::S(H)
      • S(h);N_GUARD::QAR1(F),XS(h)
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