MESON Chess Problem Database

Problem Display
PID: 123116 (rbQ4n/2pKp3/4pp2/3BkNB1/1Np5/4pR2/8/7R w - - 0 1)

Banny, Dimitry Nikolaevich

Source?, 1973

rbQ4n/2pKp3/4pp2/3BkNB1/1Np5/4pR2/8/7R

#2

8 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ba7
      • 2.Qxc7#
    • 1...fxg5
      • 2.Qxh8#
  • Tries
    • 1.Kxe7?
      • threat
        • 2.Bxf6#
        • 2.Qxe6#
      • 1...exd5
        • 2.Rxe3#
        • 2.Qe6#
      • 1...exf5
        • 2.Bxf6#
      • 1...fxg5
        • 2.Qxe6#
        • 2.Qxh8#
      • 1...Ra6
        • 2.Bxf6#
      • 1...Sg6+!
  • Keys
    • 1.Rh4!
      • threat
        • 2.Re4#
      • 1...exd5
        • 2.Sc6#
      • 1...exf5
        • 2.Rxe3#
      • 1...fxg5
        • 2.Qxh8#

This is a version of 103878

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • B(i);N_GUARD::QAB(H),XP(f)
    • P(e);OGATEB,XB(F)::QAB(H),XS(j)
  • Tries
    • Try
      • K(G);P-FLIGHT,XP(g)
      • Threat
        • DUALS(2)
      • Vars
        • P(d);XS(E)::B(F),XP(e)
        • R(h);::B(F),XP(e)
      • Refutation
        • S(j);CHECK
  • Actual
    • R(A);
    • Threat
      • R1(A)
    • Vars
      • P(d);SBLOCK,XB(D)::S(C)
      • P(d);SBLOCK,XS(E)::R(B),XP(a)
      • P(e);OGATEB,XB(F)::QAB(H),XS(j)
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