MESON Chess Problem Database

Problem Display
PID: 34935 (8/6p1/N1n4R/3pP1Q1/1p1kPp2/1R1P4/8/5NK1 w - - 0 1)

Reitman, Mark

Hlas l'udu, 1990

8/6p1/N1n4R/3pP1Q1/1p1kPp2/1R1P4/8/5NK1

#2

9 + 6

3657 Izbrannie Shakhmatnie Zadachi Marka Reitmana 2000

SOLUTION

  • SOUND
  • Sets
    • 1...dxe4
      • 2.Rd6#
  • Tries
    • 1.Qxg7?
      • 1...Sxe5
        • 2.Qa7#
      • 1...dxe4
        • 2.Rd6#
      • 1...Sa5
        • 2.e6#
      • 1...Sa7
        • 2.e6#
      • 1...Se7
        • 2.e6#
      • 1...Sb8
        • 2.e6#
      • 1...Sd8
        • 2.e6#
      • 1...f3!
    • 1.e6?
      • threat
        • 2.Qxd5#
      • 1...dxe4
        • 2.Qc5#
      • 1...Se7
        • 2.Qxg7#
      • 1...Se5!
  • Keys
    • 1.Qg2!
      • threat
        • 2.Qb2#
      • 1...Kxe5
        • 2.Qxg7#
      • 1...dxe4
        • 2.Qxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(d);OGATEB,XP(E)::R(I)
  • Tries
    • Try
      • Q(G);XP(f)
      • Vars
        • S(e);N_GUARD,P_SPINS(e),SBLOCK,XP(F)::QAB(G)
        • P(d);OGATEB,XP(E)::R(I)
        • S(e);N_GUARD::QAB(G)+P(F)
      • Refutation
        • P(c);
    • Try
      • P(F);
      • Threat
        • QAR1(G),XP(d)
      • Vars
        • P(d);OGATE,XP(E)::QAB1(G)
        • S(e);N_GUARD::QAB(G),XP(f)
      • Refutation
        • S(e);
  • Actual
    • Q(G);
    • Threat
      • QAB(G)
    • Vars
      • K(b);OGATEB,S_FLIGHT,XP(F)::QAB(G),XP(f)
      • P(d);OGATE,XP(E)::QAR1(G),XP(d)
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