MESON Chess Problem Database

Problem Display
PID: 165378 (2k1K3/1ppN4/8/1R6/8/8/8/2Q5 w - - 0 1)

Zimmer, Eligiusz

Rochade Europa, 1999

2k1K3/1ppN4/8/1R6/8/8/8/2Q5

#2

4 + 3

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...c5
      • 2.Rxc5#
      • 2.Qxc5#
  • Tries
    • 1.Rb6?
      • 1...c5
        • 2.Qxc5#
      • 1...c6!
    • 1.Qa3?
      • threat
        • 2.Qa8#
      • 1...c5
        • 2.Rxc5#
        • 2.Qxc5#
      • 1...c6!
    • 1.Qf4?
      • 1...c5
        • 2.Sb6#
        • 2.Rxc5#
        • 2.Qb8#
      • 1...c6
        • 2.Sb6#
        • 2.Qb8#
      • 1...b6!
    • 1.Qa1?
      • threat
        • 2.Qa8#
      • 1...c5
        • 2.Rxc5#
      • 1...c6!
    • 1.Qh1?
      • threat
        • 2.Qxb7#
      • 1...b6
        • 2.Qa8#
      • 1...c6!
  • Keys
    • 1.Qc6!
      • threat
        • 2.Qxb7#
      • 1...bxc6
        • 2.Rb8#
      • 1...b6
        • 2.Qa8#

There are these versions: 250796

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);
      • Vars
        • P(b);OGATEB::QAR(A),XP(b)
      • Refutation
        • P(b);
    • Try
      • Q(A);N_PINP(b)
      • Threat
        • QAR2(A)
      • Refutation
        • P(b);
    • Try
      • Q(A);N_PINP(b)
      • Refutation
        • P(a);
    • Try
      • Q(A);N_PINP(b)
      • Threat
        • QAR2(A)
      • Vars
        • P(b);OGATEB::R(B),XP(b)
      • Refutation
        • P(b);
    • Try
      • Q(A);N_PINP(b)
      • Threat
        • QAB1(A),XP(a)
      • Vars
        • P(a);OGATE::QAR2(A)
      • Refutation
        • P(b);
  • Actual
    • Q(A);
    • Threat
      • QAB1(A),XP(a)
    • Vars
      • P(a);N_SPINP(b),OGATE,XQ(A)::R1(B)
      • P(a);OGATE::QAR2(A)
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