MESON Chess Problem Database

Problem Display
PID: 3159 (8/5Qnp/r3nb2/R2PN1p1/3Pk1P1/1NR5/8/1KB4b w - - 0 1)

Kriuckov, Sergey Petrovic

1st Prize, Source?, 1935

8/5Qnp/r3nb2/R2PN1p1/3Pk1P1/1NR5/8/1KB4b

#2

10 + 8

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

SOLUTION

  • SOUND
  • Sets
    • 1...Bxe5
      • 2.Re3#
    • 1...Be7
      • 2.Re3#
    • 1...Bd8
      • 2.Re3#
    • 1...Sf4
      • 2.Re3#
    • 1...Sh5
      • 2.Qxh7#
    • 1...Se8
      • 2.Qxh7#
  • Tries
    • 1.Qg6+?
      • 1...Sf5
        • 2.Qxf5#
      • 1...hxg6!
  • Keys
    • 1.Sd7!
      • threat
        • 2.Sxf6#
      • 1...Bxd4
        • 2.Sd2#
      • 1...Sxd4
        • 2.Sbc5#
      • 1...Be5
        • 2.Re3#
      • 1...Be7
        • 2.Re3#
      • 1...Bd8
        • 2.Re3#
      • 1...Sf4
        • 2.Sdc5#
        • 2.Re3#
      • 1...Sc5
        • 2.Sdxc5#
      • 1...Sc7
        • 2.Sdc5#
      • 1...Sd8
        • 2.Sdc5#
      • 1...Sf8
        • 2.Sdc5#
      • 1...Sh5
        • 2.Qxh7#
      • 1...Se8
        • 2.Qxh7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 1
  • Sets
    • B(f);XS(I)::R1(D)
    • B(f);::R1(D)
    • S(e);SBLOCK::R1(D)
    • S(g);OGATE::QAB(J),XP(h)
  • Tries
    • Try
      • Q(J);CHECK
      • Vars
        • S(g);N_GUARD,P_SPINS(g)::QAB1(J),XS(g)
      • Refutation
        • P(h);XQ(J)
  • Actual
    • S(I);
    • Threat
      • S(I),XB(f)
    • Vars
      • B(f);SBLOCK,XP(E)::S(C)
      • S(e);N_GUARD,SBLOCK,XP(E)::S(C)
      • B(f);::R1(D)
      • S(e);N_GUARD::S(I),XS(e)
      • S(e);N_GUARD::S(I)
      • S(g);OGATE::QAB(J),XP(h)
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