MESON Chess Problem Database

Problem Display
PID: 193401 (Q7/KRp1N2b/p4n1B/r1P1P1N1/3kr3/p1p1pn2/B1p1P3/8 w - - 0 1)

Vesz, Tibor

Pesti Naplo, 1914

Q7/KRp1N2b/p4n1B/r1P1P1N1/3kr3/p1p1pn2/B1p1P3/8

#2

10 + 12

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc5
      • 2.Se6#
    • 1...Kxe5
      • 2.Sxf3#
    • 1...Rxc5
      • 2.Sxf3#
    • 1...Sxe5
      • 2.Se6#
  • Tries
    • 1.Bf8?
      • threat
        • 2.Sc6#
      • 1...Kxc5
        • 2.Se6#
      • 1...Rxc5
        • 2.Sxf3#
      • 1...Sxe5
        • 2.Se6#
      • 1...c6
        • 2.Sxc6#
      • 1...Kxe5!
    • 1.Rb4+?
      • 1...Kxe5
        • 2.Sxf3#
        • 2.Sf7#
      • 1...Kxc5!
    • 1.Qd8+?
      • 1...Kxc5
        • 2.Se6#
      • 1...Kxe5
        • 2.Sxf3#
        • 2.Sf7#
      • 1...Sd5
        • 2.Qxd5#
      • 1...Sd7!
  • Keys
    • 1.Qf8!
      • threat
        • 2.Sc6#
      • 1...Kxc5
        • 2.Se6#
      • 1...Kxe5
        • 2.Sxf3#
      • 1...Rxc5
        • 2.Sxf3#
      • 1...Sxe5
        • 2.Se6#
      • 1...c6
        • 2.Sxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(f);S_FLIGHT,XP(C)::S(E)
    • K(f);S_FLIGHT,XP(D)::S(E),XS(e)
    • R(h);SBLOCK,XP(C)::S(E),XS(e)
    • S(e);SBLOCK,XP(D)::S(E)
  • Tries
    • Try
      • B(F);
      • Threat
        • S(I)
      • Vars
        • K(f);S_FLIGHT,XP(C)::S(E)
        • R(h);SBLOCK,XP(C)::S(E),XS(e)
        • S(e);SBLOCK,XP(D)::S(E)
        • P(k);::S(I),XP(k)
      • Refutation
        • K(f);S_FLIGHT,XP(D)
    • Try
      • R(H);CHECK
      • Refutation
        • K(f);S_FLIGHT,XP(C)
    • Try
      • Q(J);CHECK
      • Vars
        • K(f);S_FLIGHT,XP(C)::S(E)
        • S(j);N_GUARD,P_SPINS(j)::QAR1(J),XS(j)
      • Refutation
        • S(j);P_SPINS(j)
  • Actual
    • Q(J);
    • Threat
      • S(I)
    • Vars
      • K(f);S_FLIGHT,XP(C)::S(E)
      • K(f);S_FLIGHT,XP(D)::S(E),XS(e)
      • R(h);SBLOCK,XP(C)::S(E),XS(e)
      • S(e);SBLOCK,XP(D)::S(E)
      • P(k);::S(I),XP(k)
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