MESON Chess Problem Database

Problem Display
PID: 169270 (8/8/8/2p4R/3kN3/8/R3K3/1B6 w - - 0 1)

Khalma, Mikhail

6/7 Place, SuperProblem 190. TT, 2017

8/8/8/2p4R/3kN3/8/R3K3/1B6

#2

5 + 2

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...c4
      • 2.Rd2#
  • Tries
    • 1.Kf2?
      • 1...c4
        • 2.Rd2#
      • 1...Kc4!
    • 1.Kf3?
      • 1...c4
        • 2.Rd2#
      • 1...Kc4!
    • 1.Sd6?
      • 1...c4
        • 2.Sb5#
      • 1...Kc3!
    • 1.Rb2?
      • 1...c4
        • 2.Rd2#
      • 1...Kc4!
    • 1.Ra5?
      • 1...c4
        • 2.Rad5#
        • 2.Rhd5#
      • 1...Kc4!
    • 1.Ra6?
      • 1...c4
        • 2.Rd6#
      • 1...Kc4!
    • 1.Ra7?
      • 1...c4
        • 2.Rd7#
      • 1...Kc4!
    • 1.Ra8?
      • 1...c4
        • 2.Rd8#
      • 1...Kc4!
    • 1.Rf5?
      • 1...c4
        • 2.Rd2#
      • 1...Kc4!
    • 1.Rg5?
      • 1...c4
        • 2.Rd2#
      • 1...Kc4!
  • Keys
    • 1.Rc2!
      • 1...Kxe4
        • 2.Rc4#
      • 1...c4
        • 2.Rd2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(b);SBLOCK::R(B)
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Vars
        • P(b);SBLOCK::R(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • K(C);S_FLIGHT
      • Vars
        • P(b);SBLOCK::R(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(D);
      • Vars
        • P(b);SBLOCK::S(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(B);
      • Vars
        • P(b);SBLOCK::R(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(B);
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(B);
      • Vars
        • P(b);SBLOCK::R(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(B);
      • Vars
        • P(b);SBLOCK::R(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(B);
      • Vars
        • P(b);SBLOCK::R(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(E);
      • Vars
        • P(b);SBLOCK::R(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(E);
      • Vars
        • P(b);SBLOCK::R(B)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • R(B);
    • Vars
      • K(a);P-FLIGHT,XS(D)::B(A)+R(B),DCHECK
      • P(b);SBLOCK::R(B)
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