MESON Chess Problem Database

Problem Display
PID: 51729 (7n/3p1p2/p2NpKp1/R5P1/p2kpN2/R7/P7/6n1 w - - 0 1)

von Holzhausen, Walther Freiherr

Hannover Courier, 1928

7n/3p1p2/p2NpKp1/R5P1/p2kpN2/R7/P7/6n1

#2

7 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Se2
      • 2.Sxe2#
    • 1...Sf3
      • 2.Se2#
    • 1...Sh3
      • 2.Se2#
    • 1...e3
      • 2.Rd3#
    • 1...e5
      • 2.Rd5#
  • Tries
    • 1.Re5?
      • 1...Se2
        • 2.Sxe2#
      • 1...Sf3
        • 2.Se2#
      • 1...Sh3
        • 2.Se2#
      • 1...e3
        • 2.Rd3#
      • 1...a5!
  • Keys
    • 1.Sxe4!
      • threat
        • 2.R5xa4#
      • 1...Kc4
        • 2.R3xa4#
      • 1...Kxe4
        • 2.R5xa4#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • S(a);N_GUARD::S(C),XS(a)
    • S(a);N_GUARD::S(C)
    • P(d);N_GUARD::R1(B)
    • P(f);N_GUARD::R1(D)
  • Tries
    • Try
      • R(D);
      • Vars
        • S(a);N_GUARD::S(C),XS(a)
        • S(a);N_GUARD::S(C)
        • P(d);N_GUARD::R1(B)
      • Refutation
        • P(e);
  • Actual
    • S(F);XP(d)
    • Threat
      • R(D),XP(b)
    • Vars
      • K(c);P-FLIGHT::R(B),XP(b)
      • K(c);P-FLIGHT,XS(F)::R(D),XP(b)
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