MESON Chess Problem Database

Problem Display
PID: 49714 (b7/KB3N2/4np2/R1P5/2Pk2P1/1Q6/5Pp1/6Bq w - - 0 1)

Groeneveld, Cornelis

6th Prize, Fokin-60 JT, 1986

b7/KB3N2/4np2/R1P5/2Pk2P1/1Q6/5Pp1/6Bq

#2

10 + 6

5159 FIDE Album (1986-1988) (Annexe) 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Qh3
      • 2.f3#
    • 1...Qh5
      • 2.f3#
      • 2.f4#
    • 1...Qh6
      • 2.f4#
    • 1...Qh7
      • 2.f3#
      • 2.f4#
    • 1...Qh8
      • 2.f3#
      • 2.f4#
  • Tries
    • 1.Sd6?
      • threat
        • 2.Qe3#
      • 1...Ke5
        • 2.Qe3#
      • 1...Qh6
        • 2.f4#
      • 1...Qh3!
    • 1.Bd5?
      • threat
        • 2.Qe3#
      • 1...Qh3
        • 2.f3#
      • 1...Qh6
        • 2.f4#
      • 1...Bxd5!
    • 1.Ba6?
      • threat
        • 2.Qe3#
      • 1...Ke4
        • 2.Qe3#
      • 1...Qh3
        • 2.f3#
      • 1...Qh6!
  • Keys
    • 1.Ra4!
      • threat
        • 2.Qe3#
      • 1...Kxc5
        • 2.Qb6#
      • 1...Qh3
        • 2.f3#
      • 1...Qh6
        • 2.f4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • Q(a);N_GUARD::B(A)+P(B)
  • Tries
    • Try
      • S(J);
      • Threat
        • QAB1(C)
      • Vars
        • K(c);S_FLIGHT::QAR2(C)
        • Q(a);N_GUARD::B(A)+P(B)
      • Refutation
        • Q(a);
    • Try
      • B(I);
      • Threat
        • QAB1(C)
      • Vars
        • Q(a);N_GUARD::B(A)+P(B)
      • Refutation
        • B(f);XB(I)
    • Try
      • B(I);
      • Threat
        • QAB1(C)
      • Vars
        • K(c);P-FLIGHT::QAR1(C)
        • Q(a);N_GUARD::B(A)+P(B)
      • Refutation
        • Q(a);
  • Actual
    • R(F);
    • Threat
      • QAB1(C)
    • Vars
      • K(c);OGATEB,S_FLIGHT,XP(G)::QAB1(C)
      • Q(a);N_GUARD::B(A)+P(B)
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