MESON Chess Problem Database

Problem Display
PID: 119978 (4N3/3n4/B5P1/4k2P/8/4P2K/5PQ1/8 w - - 0 1)

Shoshin, Aleksandr Ivanovich

Shakhmatnoe obozrenie, 1902

4N3/3n4/B5P1/4k2P/8/4P2K/5PQ1/8

#2

8 + 2

5454 Near Snap 2009
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qg5+?
      • 1...Ke6
        • 2.Bc4#
      • 1...Ke4!
  • Keys
    • 1.Bc8!
      • 1...Kf5
        • 2.Qd5#
      • 1...Ke6
        • 2.Qe4#
      • 1...Sc5
        • 2.f4#
      • 1...Sb6
        • 2.f4#
      • 1...Sf6
        • 2.f4#
      • 1...Sb8
        • 2.f4#
      • 1...Sf8
        • 2.f4#

This anticipates 154519(1902), 129861(1903), 183169(1907)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);P-FLIGHT::B(F)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • B(F);
    • Vars
      • K(a);P-FLIGHT,P_SPINS(b)::QAR2(B)
      • S(b);::P(A)
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