MESON Chess Problem Database

Problem Display
PID: 137174 (8/2pp1K2/2rk4/2prp3/5pN1/3p1Q2/8/8 w - - 0 1)

Krzeli, Ratislav

Liga Problemista, 1989/2

8/2pp1K2/2rk4/2prp3/5pN1/3p1Q2/8/8

#2

3 + 9

6490 yacpdb 2010

SOLUTION

  • SOUND
  • Tries
    • 1.Sf6?
      • threat
        • 2.Se4#
        • 2.Se8#
        • 2.Qxd5#
      • 1...Ra6
        • 2.Qxd5#
      • 1...Rb6
        • 2.Qxd5#
      • 1...c4
        • 2.Se4#
        • 2.Qxd5#
      • 1...Rd4
        • 2.Se8#
      • 1...e4!
    • 1.Qe4?
      • threat
        • 2.Qg6#
      • 1...Rd4
        • 2.Qxe5#
      • 1...c4!
  • Keys
    • 1.Se3!
      • threat
        • 2.Sc4#
        • 2.Sf5#
        • 2.Qxd5#
      • 1...fxe3
        • 2.Qf6#
      • 1...Ra6
        • 2.Qxd5#
      • 1...Rb6
        • 2.Qxd5#
      • 1...c4
        • 2.Qxd5#
      • 1...e4
        • 2.Sc4#
      • 1...Rd4
        • 2.Sf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • DUALS(3)
      • Vars
        • R(f);::QAR1(A),XR(d)
        • R(d);::S(B)
      • Refutation
        • P(e);
    • Try
      • Q(A);
      • Threat
        • QAR(A)
      • Vars
        • R(d);N_GUARD::QAB1(A),XP(e)
      • Refutation
        • P(c);
  • Actual
    • S(B);
    • Threat
      • DUALS(3)
    • Vars
      • P(b);OGATE,XS(B)::QAR2(A)
      • R(f);::QAR1(A),XR(d)
      • P(c);::QAR1(A),XR(d)
      • P(e);::S(B)
      • R(d);::S(B)
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