MESON Chess Problem Database

Problem Display
PID: 175538 (8/8/6N1/2p3p1/2pP1PP1/2p1k3/2P3Q1/7K w - - 0 1)

Zimmermann, Stepan

Source?, 1900

8/8/6N1/2p3p1/2pP1PP1/2p1k3/2P3Q1/7K

#2

7 + 5

6490 yacpdb 2018
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Qe2+?
      • 1...Kxd4
        • 2.Qe5#
      • 1...Kxe2!
  • Keys
    • 1.Se7!
      • 1...Kxd4
        • 2.Sf5#
      • 1...Kxf4
        • 2.Sd5#
      • 1...cxd4
        • 2.Sd5#
      • 1...gxf4
        • 2.Sf5#

This anticipates 207673(2015)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(b);OGATE,S_FLIGHT,XP(D)::QAB1(C)
      • Refutation
        • K(b);P-FLIGHT,XQ(C)
  • Actual
    • S(G);
    • Vars
      • K(b);S_FLIGHT,XP(D)::S(G)
      • K(b);S_FLIGHT,XP(E)::S(G)
      • P(d);SBLOCK,XP(D)::S(G)
      • P(e);SBLOCK,XP(E)::S(G)
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