MESON Chess Problem Database

Problem Display
PID: 35000 (3B1NN1/4pR2/7p/6Pk/4P3/b4PP1/K1pr4/2Q5 w - - 0 1)

Reitman, Mark

Slovensky Dennik, 1992

3B1NN1/4pR2/7p/6Pk/4P3/b4PP1/K1pr4/2Q5

#2

10 + 6

3657 Izbrannie Shakhmatnie Zadachi Marka Reitmana 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Kxg5
      • 2.Rf5#
    • 1...hxg5
      • 2.Rh7#
  • Tries
    • 1.Sf6+?
      • 1...Kxg5
        • 2.Qxd2#
        • 2.f4#
      • 1...exf6!
    • 1.Rf5?
      • threat
        • 2.gxh6#
        • 2.g6#
      • 1...Rd5
        • 2.Qh1#
      • 1...e6
        • 2.Sf6#
      • 1...hxg5!
    • 1.Qh1+?
      • 1...Kxg5
        • 2.Rf5#
        • 2.Rg7#
        • 2.Qh4#
        • 2.Qxh6#
      • 1...Rh2!
    • 1.gxh6?
      • threat
        • 2.Rf5#
      • 1...Kg5
        • 2.Rf5#
      • 1...e6
        • 2.g4#
      • 1...Rd5!
  • Keys
    • 1.g6!
      • threat
        • 2.Rf5#
      • 1...Kg5
        • 2.Rf5#
      • 1...Rd5
        • 2.Qxh6#
      • 1...e6
        • 2.g4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • K(d);OGATEB,P-FLIGHT,P_SPINP(f),P_SPINR(b),XP(F)::R1(G)
    • P(e);OGATEB,SBLOCK,XP(F)::R(G)
  • Tries
    • Try
      • S(J);CHECK
      • Refutation
        • P(f);XS(J)
    • Try
      • R(G);
      • Threat
        • DUALS(2)
      • Vars
        • R(b);N_GUARD::QAR(A)
        • P(f);N_GUARD::S(J)
      • Refutation
        • P(e);P_SPINP(e),XP(F)
    • Try
      • Q(A);CHECK
      • Refutation
        • R(b);P_SPINR(b)
    • Try
      • P(F);XP(e)
      • Threat
        • R(G)
      • Vars
        • K(d);P-FLIGHT,P_SPINP(f),P_SPINR(b)::R1(G)
        • P(f);::P(D)
      • Refutation
        • R(b);
  • Actual
    • P(F);
    • Threat
      • R(G)
    • Vars
      • K(d);P-FLIGHT,P_SPINP(f),P_SPINR(b)::R1(G)
      • R(b);OGATE::QAR1(A),XP(e)
      • P(f);::P(D)
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