MESON Chess Problem Database

Problem Display
PID: 81423 (rb6/B2n2Qp/8/4P3/R3pkB1/N4p1K/1N5P/q1n1r3 w - - 0 1)

Garai, Toma

11th HM., Mutato TT, 1967

rb6/B2n2Qp/8/4P3/R3pkB1/N4p1K/1N5P/q1n1r3

#2

9 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Bxe5
      • 2.Qh6#
    • 1...Sa2
      • 2.Sd3#
    • 1...Se2
      • 2.Sd3#
    • 1...Sb3
      • 2.Sd3#
    • 1...Sd3
      • 2.Sxd3#
    • 1...Sxe5
      • 2.Qf6#
      • 2.Qh6#
    • 1...Sf6
      • 2.Qxf6#
    • 1...Sf8
      • 2.Qf6#
  • Tries
    • 1.Sbc4?
      • threat
        • 2.Qh6#
      • 1...e3
        • 2.Sb2#
      • 1...h6
        • 2.Qxh6#
      • 1...Qxe5!
    • 1.Bd4?
      • threat
        • 2.Qh6#
      • 1...e3
        • 2.Ba7#
      • 1...h6
        • 2.Qxh6#
      • 1...Ra6!
    • 1.Ra5?
      • threat
        • 2.Qh6#
      • 1...e3
        • 2.Ra4#
      • 1...h6
        • 2.Qxh6#
      • 1...Sc5!
    • 1.Qf7+?
      • 1...Kxe5
        • 2.Sbc4#
        • 2.Sac4#
      • 1...Sf6
        • 2.Qxf6#
      • 1...Kg5!
  • Keys
    • 1.Sac4!
      • threat
        • 2.Qh6#
      • 1...e3
        • 2.Sa3#
      • 1...h6
        • 2.Qxh6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 7
  • Sets
    • B(j);SBLOCK,XP(G)::QAB(I)
    • S(b);N_GUARD::S(A)
    • S(b);N_GUARD::S(A),XS(b)
    • S(g);N_GUARD::QAR2(I),XS(g)
    • S(g);N_GUARD::QAR2(I)
  • Tries
    • Try
      • S(A);N_PINP(e)
      • Threat
        • QAB(I)
      • Vars
        • P(e);::R(E)+S(A)
        • P(h);::QAB(I),XP(h)
      • Refutation
        • Q(a);XP(G)
    • Try
      • B(H);N_PINP(e)
      • Threat
        • QAB(I)
      • Vars
        • P(e);OGATEB::R(E)+B(H)
        • P(h);::QAB(I),XP(h)
      • Refutation
        • R(i);
    • Try
      • R(E);N_PINP(e)
      • Threat
        • QAB(I)
      • Vars
        • P(e);OGATEB::R(E)
        • P(h);::QAB(I),XP(h)
      • Refutation
        • S(g);
    • Try
      • Q(I);CHECK
      • Vars
        • S(g);N_GUARD,P_SPINS(g)::QAR2(I),XS(g)
      • Refutation
        • K(f);N_SPINP(e),S_FLIGHT
  • Actual
    • S(C);N_PINP(e)
    • Threat
      • QAB(I)
    • Vars
      • P(e);::R(E)+S(C)
      • P(h);::QAB(I),XP(h)
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