MESON Chess Problem Database

Problem Display
PID: 129871 (8/Q3K2p/2p3NP/3k4/5R2/nn5p/4P3/8 w - - 0 1)

Chocolous, Jiri

Delnicke listy, 0000

8/Q3K2p/2p3NP/3k4/5R2/nn5p/4P3/8

#2

6 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sc4
      • 2.e4#
    • 1...Sa1
      • 2.Rd4#
      • 2.Qd4#
    • 1...Sc1
      • 2.Rd4#
      • 2.Qd4#
    • 1...Sd2
      • 2.Rd4#
      • 2.Qd4#
    • 1...Sd4
      • 2.Rxd4#
      • 2.Qxd4#
    • 1...Sa5
      • 2.Rd4#
      • 2.Qd4#
    • 1...c5
      • 2.Qb7#
      • 2.Qd7#
      • 2.Qa8#
  • Tries
    • 1.Rf5+?
      • 1...Ke4
        • 2.Re5#
      • 1...Kc4!
  • Keys
    • 1.Qg1!
      • threat
        • 2.Qg5#
      • 1...Sd4
        • 2.Qxd4#
      • 1...c5
        • 2.Qh1#
      • 1...Sc4
        • 2.e4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(a);SBLOCK::P(A)
  • Tries
    • Try
      • R(B);CHECK
      • Vars
        • K(d);S_FLIGHT::R1(B)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • Q(E);
    • Threat
      • QAR(E)
    • Vars
      • S(b);N_GUARD::QAR1(E),XS(b)
      • P(e);SBLOCK::QAB(E)
      • S(a);SBLOCK::P(A)
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