MESON Chess Problem Database

Problem Display
PID: 169123 (8/B2Pp3/1Np1r1p1/4k1N1/1PP4K/6PB/1R6/3Q4 w - - 0 1)

Ilkovski, Goce

Miloseski, Bosko

3rd HM., SuperProblem 076. TT, 2013

8/B2Pp3/1Np1r1p1/4k1N1/1PP4K/6PB/1R6/3Q4

#2

11 + 5

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Rf6
      • 2.Re2#
  • Tries
    • 1.Sf3+?
      • 1...Ke4
        • 2.Qe2#
      • 1...Kf6!
    • 1.Bxe6?
      • 1...Kf6
        • 2.Qd4#
      • 1...c5!
    • 1.Rf2?
      • 1...Rf6
        • 2.Re2#
      • 1...c5
        • 2.Qd5#
      • 1...Rd6!
    • 1.d8Q?
      • threat
        • 2.Sd7#
        • 2.Q1d4#
        • 2.Q8d4#
      • 1...Kf6
        • 2.Qh8#
      • 1...c5
        • 2.Sd7#
      • 1...Rd6!
  • Keys
    • 1.Qa1!
      • threat
        • 2.Rd2#
      • 1...Kd4
        • 2.Rb3#
      • 1...Kd6
        • 2.Bb8#
      • 1...Kf6
        • 2.Rf2#
      • 1...Rd6
        • 2.Re2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • R(c);SBLOCK::R(B)
  • Tries
    • Try
      • S(H);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR2(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(D);XR(c)
      • Vars
        • K(a);S_FLIGHT::QAB(A)
      • Refutation
        • P(b);
    • Try
      • R(B);
      • Vars
        • R(c);SBLOCK::R(B)
        • P(b);N_GUARD::QAR1(A)
      • Refutation
        • R(c);
    • Try
      • P(K);
      • Threat
        • DUALS(3)
      • Vars
        • K(a);P_SPINP(e),S_FLIGHT::QAB(K)
        • P(b);::S(I)
      • Refutation
        • R(c);
  • Actual
    • Q(A);
    • Threat
      • QAB(A)+R(B)
    • Vars
      • K(a);S_FLIGHT::QAB(A)+R(B)
      • K(a);S_FLIGHT::B(J)
      • K(a);S_FLIGHT::QAB(A)+R(B),DCHECK
      • R(c);SBLOCK::QAB(A)+R(B),DCHECK
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