MESON Chess Problem Database

Problem Display
PID: 59581 (2R5/3p1p2/3p2N1/KNPk1r2/p3rnB1/8/1BQ5/8 w - - 0 1)

Subotic, Miroslav

The Problemist, 2005

2R5/3p1p2/3p2N1/KNPk1r2/p3rnB1/8/1BQ5/8

#2

8 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Ke6
      • 2.Sc7#
      • 2.Qxe4#
    • 1...Rc4
      • 2.Qxf5#
    • 1...Se6
      • 2.Se7#
  • Tries
    • 1.Se7+?
      • 1...Ke6
        • 2.Qxe4#
      • 1...Rxe7!
    • 1.Bf3?
      • threat
        • 2.Qxe4#
      • 1...Ke6
        • 2.Sc7#
      • 1...Re5
        • 2.Sxf4#
      • 1...Sd3!
  • Keys
    • 1.c6!
      • threat
        • 2.Sc7#
      • 1...Ke6
        • 2.Qxe4#
      • 1...Rc4
        • 2.Qxf5#
      • 1...Se6
        • 2.Se7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(b);OGATE,SBLOCK::QAR2(B),XR(e)
    • S(c);SBLOCK,S_CUTR(b)::S(G)
  • Tries
    • Try
      • S(G);CHECK
      • Vars
        • K(d);P_SPINR(e),S_FLIGHT::QAR2(B),XR(b)
      • Refutation
        • R(b);XS(G)
    • Try
      • B(C);P_PINR(b)
      • Threat
        • QAB1(B),XR(b)
      • Vars
        • K(d);N_SPINR(b),S_FLIGHT::S(E)
        • R(e);N_GUARD::S(G),XS(c)
      • Refutation
        • S(c);
  • Actual
    • P(F);
    • Threat
      • S(E)
    • Vars
      • K(d);P_PINS(E),P_SPINR(e),S_FLIGHT::QAR2(B),XR(b)
      • R(b);OGATE,SBLOCK::QAR2(B),XR(e)
      • S(c);SBLOCK,S_CUTR(b)::S(G)
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