MESON Chess Problem Database

Problem Display
PID: 148968 (6r1/5p2/1PPpN1bR/Q2pk1P1/p2N3p/B4P1B/8/7K w - - 0 1)

Burger, Robert Eugene

Kovacevic, Marjan

5th Comm., The Problemist, 2012

6r1/5p2/1PPpN1bR/Q2pk1P1/p2N3p/B4P1B/8/7K

#2

11 + 8

56 The Problemist 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Bh5
      • 2.Qe1#
    • 1...f5
      • 2.Qe1#
  • Tries
    • 1.Sc2?
      • threat
        • 2.Bb2#
      • 1...f5
        • 2.Qe1#
      • 1...fxe6!
    • 1.Sb3?
      • threat
        • 2.Bb2#
      • 1...f5
        • 2.Qe1#
      • 1...fxe6!
    • 1.Sb5?
      • threat
        • 2.Bxd6#
      • 1...d4
        • 2.Sxd6#
      • 1...f5
        • 2.Qe1#
      • 1...Rd8!
    • 1.Bb2?
      • threat
        • 2.Sc2#
        • 2.Se2#
        • 2.Sb3#
      • 1...fxe6
        • 2.Se2#
        • 2.Sxe6#
      • 1...Bc2
        • 2.Sxc2#
        • 2.Se2#
        • 2.Sb3#
        • 2.Sf5#
      • 1...f5
        • 2.Qe1#
      • 1...a3!
    • 1.Qd2?
      • threat
        • 2.Qf4#
        • 2.Qh2#
      • 1...f5
        • 2.Qe1#
        • 2.Qe3#
        • 2.Qf4#
        • 2.Qe2#
      • 1...fxe6!
    • 1.c7?
      • threat
        • 2.Sc6#
      • 1...f5
        • 2.Qe1#
      • 1...fxe6!
  • Keys
    • 1.Sf5!
      • threat
        • 2.Qe1#
      • 1...Kxe6
        • 2.Qe1#
      • 1...Bxf5
        • 2.Bb2#
      • 1...fxe6
        • 2.Bxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • B(f);N_GUARD::QAR(F)
    • P(g);S_CUTB(f)::QAR(F)
  • Tries
    • Try
      • S(E);
      • Threat
        • B(B)
      • Vars
        • P(g);S_CUTB(f)::QAR(F)
      • Refutation
        • P(g);XS(J)
    • Try
      • S(E);
      • Threat
        • B(B)
      • Vars
        • P(g);S_CUTB(f)::QAR(F)
      • Refutation
        • P(g);XS(J)
    • Try
      • S(E);N_PINP(c)
      • Threat
        • B(B),XP(e)
      • Vars
        • P(c);::QAR(F)+S(E),XP(e)
        • P(g);S_CUTB(f)::QAR(F)
      • Refutation
        • R(h);
    • Try
      • B(B);
      • Threat
        • DUALS(3)
      • Vars
        • P(g);S_CUTB(f)::QAR(F)
      • Refutation
        • P(a);
    • Try
      • Q(F);N_PINP(c)
      • Threat
        • DUALS(2)
      • Refutation
        • P(g);XS(J)
    • Try
      • P(I);
      • Threat
        • S(E)
      • Vars
        • P(g);S_CUTB(f)::QAR(F)
      • Refutation
        • P(g);XS(J)
  • Actual
    • S(E);
    • Threat
      • QAR(F)
    • Vars
      • K(d);N_SPINP(c),P-FLIGHT,P_SPINB(f),XS(J)::QAR(F)
      • B(f);XS(E)::B(B)
      • P(g);SBLOCK,XS(J)::B(B),XP(e)
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