MESON Chess Problem Database

Problem Display
PID: 198216 (5b2/5K2/8/5k2/3R1P1R/4nPn1/5N2/8 w - - 0 1)

Pauly, Wolfgang

Norsk Sjakkblad, 1920

5b2/5K2/8/5k2/3R1P1R/4nPn1/5N2/8

#2

6 + 4

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Sd1
      • 2.Rd5#
    • 1...Sef1
      • 2.Rd5#
    • 1...Sc2
      • 2.Rd5#
    • 1...Sg2
      • 2.Rd5#
    • 1...Sg4
      • 2.fxg4#
    • 1...Sd5
      • 2.Rxd5#
    • 1...Sgf1
      • 2.Rh5#
    • 1...Sh1
      • 2.Rh5#
    • 1...Se2
      • 2.Rh5#
    • 1...Se4
      • 2.fxe4#
    • 1...Sh5
      • 2.Rxh5#
  • Tries
    • 1.Sd1?
      • threat
        • 2.Sxe3#
      • 1...Sxd1
        • 2.Rd5#
      • 1...Sef1
        • 2.Rd5#
      • 1...Sc2
        • 2.Rd5#
      • 1...Sg2
        • 2.Rd5#
      • 1...Sg4
        • 2.fxg4#
      • 1...Sd5
        • 2.Rxd5#
      • 1...Sgf1
        • 2.Rh5#
      • 1...Sc4!
  • Keys
    • 1.Sh1!
      • threat
        • 2.Sxg3#
      • 1...Sxh1
        • 2.Rh5#
      • 1...Sef1
        • 2.Rd5#
      • 1...Sgf1
        • 2.Rh5#
      • 1...Se2
        • 2.Rh5#
      • 1...Se4
        • 2.fxe4#
      • 1...Sh5
        • 2.Rxh5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 5
  • Sets
    • S(a);N_GUARD::R(C)
    • S(a);OGATE::P(B),XS(a)
    • S(a);N_GUARD::R(C),XS(a)
    • S(b);N_GUARD::R(E)
    • S(b);OGATE::P(B),XS(b)
    • S(b);N_GUARD::R(E),XS(b)
  • Tries
    • Try
      • S(A);
      • Threat
        • S(A),XS(a)
      • Vars
        • S(a);N_GUARD,XS(A)::R(C)
        • S(a);N_GUARD::R(C)
        • S(a);OGATE::P(B),XS(a)
        • S(a);N_GUARD::R(C),XS(a)
        • S(b);N_GUARD::R(E)
      • Refutation
        • S(a);
  • Actual
    • S(A);
    • Threat
      • S(A),XS(b)
    • Vars
      • S(b);N_GUARD,XS(A)::R(E)
      • S(a);N_GUARD::R(C)
      • S(b);N_GUARD::R(E)
      • S(b);OGATE::P(B),XS(b)
      • S(b);N_GUARD::R(E),XS(b)
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Developed and maintained by Brian Stephenson.
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