MESON Chess Problem Database

Problem Display
PID: 121504 (r7/1N6/bp6/1R6/kN3r2/8/1P6/Kn3Q2 w - - 0 1)

Sobek, Karel

Ruch, 1948

r7/1N6/bp6/1R6/kN3r2/8/1P6/Kn3Q2

#2

6 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.b3+?
      • 1...Ka3
        • 2.Sc2#
      • 1...Kxb3!
  • Keys
    • 1.Sd5!
      • threat
        • 2.Sxb6#
      • 1...Rxf1
        • 2.Rb4#
      • 1...Bxb5
        • 2.Qd1#
      • 1...Rb4
        • 2.Rxb4#
      • 1...Rc4
        • 2.Qxc4#
      • 1...Rf6
        • 2.Rb4#
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(C);CHECK
      • Vars
        • K(b);P-FLIGHT::S(D)
      • Refutation
        • K(b);S_FLIGHT,XP(C)
  • Actual
    • S(D);
    • Threat
      • S(D),XP(e)
    • Vars
      • R(c);N_GUARD,XQ(B)::R1(E)
      • B(d);SBLOCK,XR(E)::QAB(B)
      • R(c);N_GUARD::R1(E),XR(c)
      • R(c);N_GUARD::QAR2(B),XR(c)
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