MESON Chess Problem Database

Problem Display
PID: 261102 (2N5/5n1B/N3nb2/1P1k4/R7/2P5/K7/4R3 w - - 0 1)

Felber, Stefan

Neue Zurcher Zeitung, 2015

2N5/5n1B/N3nb2/1P1k4/R7/2P5/K7/4R3

#2

8 + 4

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Bd4
      • 2.c4#
    • 1...Be5
      • 2.Be4#
    • 1...Sd4
      • 2.c4#
    • 1...Sc5
      • 2.Sc7#
    • 1...Se5
      • 2.Be4#
    • 1...Sd6
      • 2.Sb6#
  • Tries
    • 1.Bd3?
      • threat
        • 2.Bc4#
      • 1...Se5
        • 2.Be4#
      • 1...Sd6
        • 2.Sb6#
      • 1...Bxc3!
    • 1.Re5+?
      • 1...Bxe5
        • 2.Be4#
      • 1...Sxe5
        • 2.Be4#
      • 1...Kxe5!
  • Keys
    • 1.Bc2!
      • threat
        • 2.Bb3#
      • 1...Sd4
        • 2.c4#
      • 1...Sc5
        • 2.Sc7#
      • 1...Se5
        • 2.Be4#
      • 1...Sd6
        • 2.Sb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • B(c);SBLOCK::P(C)
    • B(c);SBLOCK::B(G)
    • S(b);SBLOCK::P(C)
    • S(b);N_GUARD,SBLOCK::S(F)
    • S(d);SBLOCK::B(G)
    • S(d);SBLOCK::S(H)
  • Tries
    • Try
      • B(G);
      • Threat
        • B(G)
      • Vars
        • S(d);SBLOCK::B(G)
        • S(d);SBLOCK::S(H)
      • Refutation
        • B(c);XP(C)
    • Try
      • R(A);CHECK
      • Vars
        • B(c);SBLOCK,XR(A)::B(G)
        • S(d);SBLOCK,XR(A)::B(G)
      • Refutation
        • K(a);P-FLIGHT,XR(A)
  • Actual
    • B(G);
    • Threat
      • B(G)
    • Vars
      • S(b);SBLOCK::P(C)
      • S(b);N_GUARD,SBLOCK::S(F)
      • S(d);SBLOCK::B(G)
      • S(d);SBLOCK::S(H)
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