MESON Chess Problem Database

Problem Display
PID: 233279 (b1R2N2/8/r1p4n/5k1r/Q3NP1p/5Kn1/1R6/B7 w - - 0 1)

Paslack, Rainer

Freie Presse, 1992

b1R2N2/8/r1p4n/5k1r/Q3NP1p/5Kn1/1R6/B7

#2

8 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Rb6?
      • threat
        • 2.Sd6#
      • 1...Sxe4
        • 2.Qxe4#
      • 1...c5
        • 2.Qd7#
      • 1...Sf7!
    • 1.Qd4?
      • threat
        • 2.Sd6#
        • 2.Qc5#
        • 2.Qe5#
        • 2.Qf6#
        • 2.Qd7#
      • 1...Sxe4
        • 2.Qe5#
      • 1...c5
        • 2.Qe5#
      • 1...Ra5
        • 2.Sd6#
        • 2.Qf6#
        • 2.Qd7#
      • 1...Ra7
        • 2.Sd6#
        • 2.Qc5#
        • 2.Qe5#
        • 2.Qf6#
      • 1...Sg4
        • 2.Sd6#
        • 2.Qd7#
      • 1...Sf7
        • 2.Qf6#
        • 2.Qd7#
      • 1...Sg8
        • 2.Sd6#
        • 2.Qc5#
        • 2.Qe5#
        • 2.Qd7#
      • 1...Ra3+!
  • Keys
    • 1.Rb7!
      • threat
        • 2.Sd6#
      • 1...Sxe4
        • 2.Qxe4#
      • 1...Sf7
        • 2.Rxf7#
      • 1...c5
        • 2.Rxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);
      • Threat
        • S(E)
      • Vars
        • S(a);OGATE,XS(E)::QAB1(D),XS(a)
        • P(f);OGATE,P_PINS(E)::QAB(D)
      • Refutation
        • S(g);
    • Try
      • Q(D);
      • Threat
        • DUALS(5)
      • Vars
        • S(a);XS(E)::QAR1(D)
        • P(f);P_PINS(E)::QAR1(D)
      • Refutation
        • R(e);CHECK
  • Actual
    • R(B);
    • Threat
      • S(E)
    • Vars
      • S(a);OGATE,XS(E)::QAB1(D),XS(a)
      • S(g);N_GUARD::R(B),XS(g)
      • P(f);OGATE::R(G),XP(f)
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