MESON Chess Problem Database

Problem Display
PID: 201726 (8/1K1p2Q1/3pR1P1/R1pkN2n/2pp4/8/2B5/8 w - - 0 1)

Varady, Miklos

Uj Nemezdek, 1922

8/1K1p2Q1/3pR1P1/R1pkN2n/2pp4/8/2B5/8

#2

7 + 7

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...dxe5
      • 2.Qxe5#
      • 2.Qxd7#
  • Tries
    • 1.Rxc5+?
      • 1...Kxe6
        • 2.Qf7#
      • 1...dxc5
        • 2.Qxd7#
      • 1...Kxc5!
  • Keys
    • 1.Sd3!
      • 1...Kxe6
        • 2.Qf7#
      • 1...Sxg7
        • 2.Sf4#
      • 1...cxd3
        • 2.Bb3#
      • 1...dxe6
        • 2.Sb4#
      • 1...c3
        • 2.Bb3#
      • 1...Sg3
        • 2.Sf4#
      • 1...Sf4
        • 2.Sxf4#
      • 1...Sf6
        • 2.Sf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);CHECK,XP(c)
      • Vars
        • K(d);S_FLIGHT,XR(D)::QAB1(G)
        • P(f);SBLOCK,XR(B)::QAR2(G),XP(g)
      • Refutation
        • K(d);P-FLIGHT,XR(B)
  • Actual
    • S(C);
    • Vars
      • K(d);N_SPINP(c),OGATEB,S_FLIGHT,XR(D)::QAB1(G)
      • S(e);N_GUARD,XQ(G)::S(C)
      • P(a);OGATEB,XS(C)::B(A)
      • P(g);SBLOCK,XR(D)::S(C)
      • P(a);OGATEB::B(A)
      • S(e);N_GUARD::S(C)
      • S(e);N_GUARD::S(C),XS(e)
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