MESON Chess Problem Database

Problem Display
PID: 89775 (1R6/4pq2/4B3/P3Bp2/b1N1p3/pP5R/k1P1Q3/2K5 w - - 0 1)

Dyachuk, Vasyl Vasilovich

Die Schwalbe, 1997

1R6/4pq2/4B3/P3Bp2/b1N1p3/pP5R/k1P1Q3/2K5

#2

10 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bxb3
      • 2.cxb3#
  • Tries
    • 1.Se3?
      • threat
        • 2.c4#
      • 1...Bxb3
        • 2.cxb3#
      • 1...Qh5
        • 2.bxa4#
      • 1...Bb5!
    • 1.Sb6?
      • threat
        • 2.c4#
      • 1...Bxb3
        • 2.cxb3#
      • 1...Qh5
        • 2.bxa4#
      • 1...e3!
    • 1.b4?
      • threat
        • 2.Rxa3#
      • 1...Bb3
        • 2.cxb3#
      • 1...e3!
  • Keys
    • 1.Sd6!
      • threat
        • 2.c4#
      • 1...Bxb3
        • 2.cxb3#
      • 1...Qh5
        • 2.bxa4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(c);OGATE,XP(D)::QAR(C)+P(B),XB(c)
  • Tries
    • Try
      • S(F);
      • Threat
        • QAR(C)+P(B)
      • Vars
        • B(c);OGATE,P_SPINB(c),XP(D)::QAR(C)+P(B),XB(c)
        • Q(g);N_GUARD::B(I)+P(D),XB(c)
      • Refutation
        • B(c);
    • Try
      • S(F);
      • Threat
        • QAR(C)+P(B)
      • Vars
        • B(c);OGATE,P_SPINB(c),XP(D)::QAR(C)+P(B),XB(c)
        • Q(g);N_GUARD::B(I)+P(D),XB(c)
      • Refutation
        • P(d);
    • Try
      • P(D);
      • Threat
        • R1(E),XP(b)
      • Vars
        • B(c);OGATE::QAR(C)+P(B),XB(c)
      • Refutation
        • P(d);
  • Actual
    • S(F);
    • Threat
      • QAR(C)+P(B)
    • Vars
      • B(c);OGATE,P_SPINB(c),XP(D)::QAR(C)+P(B),XB(c)
      • Q(g);N_GUARD::B(I)+P(D),XB(c)
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