MESON Chess Problem Database

Problem Display
PID: 120733 (r3Q3/4NPp1/6R1/5b1k/5P1p/7p/3p3K/1qb5 w - - 0 1)

Sindler, Ivan

Kotva, 1963

r3Q3/4NPp1/6R1/5b1k/5P1p/7p/3p3K/1qb5

#2

6 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Qh8#
    • 1...Ra2
      • 2.Qh8#
    • 1...Ra3
      • 2.Qh8#
    • 1...Ra4
      • 2.Qh8#
    • 1...Ra5
      • 2.Qh8#
    • 1...Ra6
      • 2.Qh8#
    • 1...Ra7
      • 2.Qh8#
    • 1...Bc8
      • 2.Qh8#
  • Keys
    • 1.Sg8!
      • threat
        • 2.Rg5#
      • 1...Kxg6
        • 2.f8S#
      • 1...Bxg6
        • 2.Qe2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 8
  • Sets
    • R(i);N_GUARD::QAR(F)
    • R(i);N_GUARD,SBLOCK::QAR(F)
    • B(f);S_CUTR(i)::QAR(F)
  • Actual
    • S(D);
    • Threat
      • R1(C)
    • Vars
      • K(g);S_FLIGHT,XR(C)::P=S
      • B(f);N_GUARD,SBLOCK,XR(C)::QAB(F)
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