MESON Chess Problem Database

Problem Display
PID: 201709 (3R3r/BB5p/8/7K/2R5/8/3pkNp1/4rbn1 w - - 0 1)

Vesz, Tibor

Bekes Sakk, 1922

3R3r/BB5p/8/7K/2R5/8/3pkNp1/4rbn1

#2

6 + 8

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Re8
      • 2.Rxe8#
    • 1...Sf3
      • 2.Re4#
    • 1...d1S
      • 2.Rc2#
  • Tries
    • 1.Bxg2?
      • threat
        • 2.Re4#
      • 1...d1S
        • 2.Rc2#
      • 1...Re8
        • 2.Rxe8#
      • 1...Bxg2!
    • 1.Bf3+?
      • 1...Sxf3
        • 2.Re4#
      • 1...Kxf3!
    • 1.Rd3?
      • threat
        • 2.Re4#
      • 1...d1S
        • 2.Rc2#
      • 1...Re8!
  • Keys
    • 1.Rc7!
      • threat
        • 2.Re7#
      • 1...d1S
        • 2.Rc2#
      • 1...Re8
        • 2.Rxe8#
      • 1...Sf3
        • 2.Ba6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • R(h);N_GUARD::R(F),XR(h)
    • S(c);SBLOCK::R(B)
    • P(d);OGATEB::R(B)
  • Tries
    • Try
      • B(E);XP(f)
      • Threat
        • R(B)
      • Vars
        • P(d);OGATEB::R(B)
        • R(h);N_GUARD::R(F),XR(h)
      • Refutation
        • B(b);XB(E)
    • Try
      • B(E);CHECK
      • Vars
        • S(c);SBLOCK,XB(E)::R(B)
      • Refutation
        • K(e);S_FLIGHT,XB(E)
    • Try
      • R(F);
      • Threat
        • R(B)
      • Vars
        • P(d);OGATEB::R(B)
      • Refutation
        • R(h);
  • Actual
    • R(B);
    • Threat
      • R(B)
    • Vars
      • P(d);OGATEB::R(B)
      • R(h);N_GUARD::R(F),XR(h)
      • S(c);SBLOCK::B(E)
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