MESON Chess Problem Database

Problem Display
PID: 129818 (2kB4/6K1/b3p3/1R1R2p1/3p4/r7/6Q1/8 w - - 0 1)

Plesnivy, Emil

CS Republika, 1931

2kB4/6K1/b3p3/1R1R2p1/3p4/r7/6Q1/8

#2

5 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Qc2#
    • 1...Ra5
      • 2.Qc2#
    • 1...e5
      • 2.Qg4#
  • Tries
    • 1.Qg3?
      • threat
        • 2.Rb8#
        • 2.Qc7#
        • 2.Qb8#
      • 1...Bxb5
        • 2.Qc7#
      • 1...exd5
        • 2.Qc7#
      • 1...Rb3
        • 2.Qc7#
        • 2.Qb8#
      • 1...Rc3
        • 2.Rb8#
        • 2.Qb8#
      • 1...Bb7
        • 2.Qc7#
      • 1...e5
        • 2.Qg4#
      • 1...Rxg3!
  • Keys
    • 1.Ba5!
      • threat
        • 2.Rd8#
      • 1...Rxa5
        • 2.Qc2#
      • 1...exd5
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • R(a);N_GUARD::QAR(A)
    • P(e);OGATEB::QAB(A)
  • Tries
    • Try
      • Q(A);
      • Threat
        • DUALS(3)
      • Vars
        • B(d);XR(B)::QAR1(A)
        • P(e);XR(C)::QAR1(A)
        • B(d);::QAR1(A)
        • P(e);OGATEB::QAB(A)
      • Refutation
        • R(a);XQ(A)
  • Actual
    • B(E);
    • Threat
      • R1(C)
    • Vars
      • R(a);N_GUARD,XB(E)::QAR(A)
      • P(e);OGATEB,XR(C)::QAB(A)
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