MESON Chess Problem Database

Problem Display
PID: 6699 (BQN5/BR1P4/K5n1/1P6/N1P1k3/5RP1/4n1P1/b7 w - - 0 1)

Zilahi, Zoltan

4th HM., Nederlandse Bond van Probleemvrienden, 1932

BQN5/BR1P4/K5n1/1P6/N1P1k3/5RP1/4n1P1/b7

#2

13 + 4

1577 Jaarboek 1932
3098 FIDE Album (1914-1944) (I) 1971

SOLUTION

  • SOUND
  • Sets
    • 1...Bd4
      • 2.Rb6#
    • 1...Be5
      • 2.Rc7#
    • 1...Sd4
      • 2.Sc5#
    • 1...Se5
      • 2.Sd6#
  • Tries
    • 1.Se7?
      • threat
        • 2.Re3#
      • 1...Bd4
        • 2.Rb6#
      • 1...Sd4
        • 2.Sc5#
      • 1...Sxe7!
    • 1.Qe5+?
      • 1...Bxe5
        • 2.Rc7#
        • 2.Rb8#
      • 1...Sxe5
        • 2.Sd6#
      • 1...Kxe5!
  • Keys
    • 1.g4!
      • threat
        • 2.Re3#
      • 1...Bd4
        • 2.Rb6#
      • 1...Be5
        • 2.Rc7#
      • 1...Sd4
        • 2.Sc5#
      • 1...Se5
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • B(a);SBLOCK::B(K)+R(I)
    • S(b);SBLOCK::S(D)
    • S(d);SBLOCK::S(M)
  • Tries
    • Try
      • S(M);
      • Threat
        • R1(B)
      • Vars
        • B(a);SBLOCK::B(K)+R(I)
        • S(b);SBLOCK::S(D)
      • Refutation
        • S(d);XS(M)
    • Try
      • Q(L);CHECK
      • Vars
        • S(d);SBLOCK,XQ(L)::S(M)
      • Refutation
        • K(c);P-FLIGHT,XQ(L)
  • Actual
    • P(C);
    • Threat
      • R1(B)
    • Vars
      • B(a);SBLOCK::B(K)+R(I)
      • S(b);SBLOCK::S(D)
      • S(d);SBLOCK::S(M)
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