MESON Chess Problem Database

Problem Display
PID: 984 (8/2K2pp1/2R3p1/6k1/p6R/r1Pp1p1B/n4PN1/1Q6 w - - 0 1)

Reitman, Mark

The Problemist Supplement, 1995

8/2K2pp1/2R3p1/6k1/p6R/r1Pp1p1B/n4PN1/1Q6

#2

8 + 9

3657 Izbrannie Shakhmatnie Zadachi Marka Reitmana 2000

SOLUTION

  • SOUND
  • Tries
    • 1.Qxd3?
      • threat
        • 2.Qd2#
        • 2.Qe3#
      • 1...fxg2
        • 2.Qg3#
      • 1...f5
        • 2.Qd8#
      • 1...Rxc3!
    • 1.Qc1+?
      • 1...d2
        • 2.Qxd2#
      • 1...Sxc1!
    • 1.Qd1?
      • threat
        • 2.Qd2#
      • 1...fxg2
        • 2.Qg4#
      • 1...d2
        • 2.Qxd2#
      • 1...f5!
    • 1.Qb4?
      • threat
        • 2.Qf4#
        • 2.Qg4#
      • 1...f5
        • 2.Qe7#
        • 2.Qf4#
      • 1...Sxb4!
    • 1.Qb6?
      • threat
        • 2.Qe3#
      • 1...f5
        • 2.Rxg6#
      • 1...fxg2!
  • Keys
    • 1.Qe1!
      • threat
        • 2.Qd2#
        • 2.Qe3#
      • 1...fxg2
        • 2.f4#
      • 1...f5
        • 2.Qe7#
      • 1...d2
        • 2.Qxd2#
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);XP(c)
      • Threat
        • DUALS(2)
      • Vars
        • P(d);OGATE,XS(C)::QAR2(A)
        • P(h);N_GUARD::QAB(A)
      • Refutation
        • R(b);P_PINR(G),XP(D)
    • Try
      • Q(A);CHECK
      • Vars
        • P(c);P_SPINP(c)::QAB(A),XP(c)
      • Refutation
        • S(a);XQ(A)
    • Try
      • Q(A);
      • Threat
        • QAB(A)
      • Vars
        • P(d);OGATE,XS(C)::QAR1(A)
        • P(c);::QAB(A),XP(c)
      • Refutation
        • P(h);
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Refutation
        • S(a);XQ(A)
    • Try
      • Q(A);
      • Threat
        • QAB(A)
      • Vars
        • P(h);N_GUARD::R1(G),XP(g)
      • Refutation
        • P(d);XS(C)
  • Actual
    • Q(A);
    • Threat
      • DUALS(2)
    • Vars
      • P(d);OGATE,XS(C)::P(B)
      • P(h);N_GUARD::QAB(A)
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