MESON Chess Problem Database

Problem Display
PID: 198609 (4B3/7Q/5R2/8/8/2pP4/p2pN3/K2k4 w - - 0 1)

Schwieger, Friedhelm

Augsburger Allgemeine Zeitung, 2001

(First published on Sat May 12 2001)

4B3/7Q/5R2/8/8/2pP4/p2pN3/K2k4

#2

6 + 4

16210 Problemschach-Jahrbuch (2001) 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Kc2
      • 2.Ba4#
  • Tries
    • 1.Sd4?
      • threat
        • 2.Rf1#
        • 2.Qh1#
      • 1...Ke1
        • 2.Qh1#
      • 1...Kc1!
    • 1.Rf1+?
      • 1...Kc2
        • 2.Sd4#
        • 2.Ba4#
      • 1...Kxe2!
    • 1.Rf2?
      • 1...Kc2
        • 2.Ba4#
      • 1...c2
        • 2.Qh1#
      • 1...Ke1!
    • 1.Re6?
      • 1...Kc2
        • 2.Ba4#
      • 1...c2
        • 2.Qh1#
      • 1...Ke1!
    • 1.Qf5?
      • 1...Ke1
        • 2.Qf1#
      • 1...Kc2
        • 2.Ba4#
      • 1...c2
        • 2.Qf1#
      • 1...Kxe2!
    • 1.Qh3?
      • 1...Ke1
        • 2.Qf1#
      • 1...Kc2
        • 2.Ba4#
      • 1...c2
        • 2.Qf1#
      • 1...Kxe2!
    • 1.Qe7?
      • 1...Ke1
        • 2.Sxc3#
      • 1...c2
        • 2.Rf1#
      • 1...Kc2!
  • Keys
    • 1.Qe4!
      • 1...Ke1
        • 2.Sxc3#
      • 1...Kc2
        • 2.Ba4#
      • 1...c2
        • 2.Rf1#

This is a version of 198608

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::B(F)
  • Tries
    • Try
      • S(B);
      • Threat
        • DUALS(2)
      • Vars
        • K(a);P-FLIGHT::QAR(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(D);CHECK
      • Refutation
        • K(a);S_FLIGHT,XS(B)
    • Try
      • R(D);
      • Vars
        • K(a);S_FLIGHT::B(F)
        • P(d);SBLOCK::QAR(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(D);
      • Vars
        • K(a);S_FLIGHT::B(F)
        • P(d);SBLOCK::QAR(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
        • K(a);S_FLIGHT::B(F)
        • P(d);SBLOCK::QAR2(E)
      • Refutation
        • K(a);S_FLIGHT,XS(B)
    • Try
      • Q(E);
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
        • K(a);S_FLIGHT::B(F)
        • P(d);SBLOCK::QAR2(E)
      • Refutation
        • K(a);S_FLIGHT,XS(B)
    • Try
      • Q(E);
      • Vars
        • K(a);P-FLIGHT::QAR(E)+S(B),XP(d)
        • P(d);SBLOCK::R(D)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(E);
    • Vars
      • K(a);P-FLIGHT::QAR(E)+S(B),XP(d)
      • K(a);S_FLIGHT::B(F)
      • P(d);SBLOCK::R(D)
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