MESON Chess Problem Database

Problem Display
PID: 157979 (3K4/4BR2/1pk1p3/pn1p4/2P1P3/8/4Q3/8 w - - 0 1)

Abdullayev, Elmar

SEPA-80 JT (Problemas), 2013-2014

3K4/4BR2/1pk1p3/pn1p4/2P1P3/8/4Q3/8

#2

6 + 6

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...dxe4
      • 2.Qxe4#
  • Tries
    • 1.Ba3?
      • threat
        • 2.cxb5#
      • 1...dxc4
        • 2.Qxc4#
      • 1...dxe4
        • 2.Qxe4#
      • 1...Sc7
        • 2.Rxc7#
      • 1...Sc3
        • 2.Rc7#
      • 1...Sd4
        • 2.Rc7#
      • 1...Sd6
        • 2.Rc7#
      • 1...Sa7
        • 2.Rc7#
      • 1...Sxa3!
    • 1.Bb4?
      • threat
        • 2.cxb5#
      • 1...dxc4
        • 2.Qxc4#
      • 1...dxe4
        • 2.Qxe4#
      • 1...Sc7
        • 2.Rxc7#
      • 1...Sa3
        • 2.Rc7#
      • 1...Sc3
        • 2.Rc7#
      • 1...Sd4
        • 2.Rc7#
      • 1...Sd6
        • 2.Rc7#
      • 1...Sa7
        • 2.Rc7#
      • 1...axb4!
  • Keys
    • 1.Bf8!
      • threat
        • 2.cxb5#
      • 1...dxc4
        • 2.Qxc4#
      • 1...dxe4
        • 2.Qxe4#
      • 1...Sd6
        • 2.Rc7#
      • 1...Sc7
        • 2.Rxc7#
      • 1...Sa3
        • 2.Rc7#
      • 1...Sc3
        • 2.Rc7#
      • 1...Sd4
        • 2.Rc7#
      • 1...Sa7
        • 2.Rc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • P(c);OGATE,XP(C)::QAB(A),XP(c)
  • Tries
    • Try
      • B(D);
      • Threat
        • P(B),XS(b)
      • Vars
        • P(c);OGATE,XP(B)::QAR2(A),XP(c)
        • P(c);OGATE,XP(C)::QAB(A),XP(c)
        • S(b);N_GUARD::R1(E),XS(b)
        • S(b);N_GUARD::R1(E)
      • Refutation
        • S(b);XB(D)
    • Try
      • B(D);
      • Threat
        • P(B),XS(b)
      • Vars
        • P(c);OGATE,XP(B)::QAR2(A),XP(c)
        • P(c);OGATE,XP(C)::QAB(A),XP(c)
        • S(b);N_GUARD::R1(E),XS(b)
        • S(b);N_GUARD::R1(E)
      • Refutation
        • P(a);XB(D)
  • Actual
    • B(D);
    • Threat
      • P(B),XS(b)
    • Vars
      • P(c);OGATE,XP(B)::QAR2(A),XP(c)
      • P(c);OGATE,XP(C)::QAB(A),XP(c)
      • S(b);N_GUARD::R1(E)
      • S(b);N_GUARD::R1(E),XS(b)
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