MESON Chess Problem Database

Problem Display
PID: 268564 (Q7/2ppp1N1/2pkr2R/4nr1q/1PP4b/3pRpn1/3P1N1B/4K3 w - - 0 1)

Szoghy, Jozsef

British Chess Magazine, 1934

Q7/2ppp1N1/2pkr2R/4nr1q/1PP4b/3pRpn1/3P1N1B/4K3

#2

10 + 13

SOLUTION

  • SOUND
  • Sets
    • 1...Qg4
      • 2.Se8#
    • 1...Qe8
      • 2.Sxe8#
    • 1...Qg5
      • 2.Se8#
    • 1...Qxh6
      • 2.Se8#
    • 1...Rf7
      • 2.Se8#
    • 1...Sf1
      • 2.Rxd3#
    • 1...Sh1
      • 2.Rxd3#
    • 1...Se4
      • 2.Rxd3#
    • 1...Sg6
      • 2.Se8#
    • 1...Sf7
      • 2.Se8#
    • 1...c5
      • 2.Qd5#
  • Tries
    • 1.Sxf5+?
      • 1...Sxf5
        • 2.Bxe5#
      • 1...Qxf5!
  • Keys
    • 1.Qa5!
      • threat
        • 2.Qc5#
      • 1...Sxc4
        • 2.Se4#
      • 1...c5
        • 2.Qxc5#
      • 1...Se4
        • 2.Rxd3#
      • 1...Sg4
        • 2.Se4#
      • 1...Sg6
        • 2.Se8#
      • 1...Sf7
        • 2.Se4#
        • 2.Se8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 8
  • Sets
    • Q(g);N_GUARD::S(I)
    • Q(g);N_GUARD::S(I),XQ(g)
    • Q(g);N_GUARD,N_SPINR(j),XR(H)::S(I)
    • R(f);S_CUTQ(g)::S(I)
    • S(c);P_PINS(C),P_SPINS(e)::R(E),XP(a)
    • S(e);N_SPINR(j),P_PINR(E),P_SPINS(c),S_CUTQ(g)::S(I)
    • S(e);P_PINR(E),P_SPINS(c),S_CUTQ(g)::S(I)
    • P(h);OGATE::QAR1(J)
  • Tries
    • Try
      • S(I);CHECK,XR(f)
      • Vars
        • S(c);OGATE,P_PINS(C),P_SPINS(e),XS(I)::B(D),XS(e)
      • Refutation
        • Q(g);XS(I)
  • Actual
    • Q(J);
    • Threat
      • QAB1(J)
    • Vars
      • S(e);P_PINR(E),P_SPINS(c),XP(G)::S(C)
      • P(h);::QAB1(J),XP(h)
      • S(c);P_PINS(C),P_SPINS(e)::R(E),XP(a)
      • S(e);P_PINR(E),P_SPINS(c)::S(C)
      • S(e);N_SPINR(j),P_PINR(E),P_SPINS(c),S_CUTQ(g)::S(I)
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Developed and maintained by Brian Stephenson.
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