MESON Chess Problem Database

Problem Display
PID: 152117 (8/8/8/5K1p/4P2B/8/6k1/4Q2N w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

6/7 Comm., Kudesnik, 2011

8/8/8/5K1p/4P2B/8/6k1/4Q2N

#2

5 + 2

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Kf3
      • 2.Qf2#
    • 1...Kh3
      • 2.Qg3#
  • Tries
    • 1.Kf4?
      • 1...Kh3
        • 2.Qg3#
      • 1...Kh2!
    • 1.Sf2?
      • threat
        • 2.Qh1#
      • 1...Kh2
        • 2.Qh1#
      • 1...Kf3!
    • 1.Bg3?
      • 1...Kf3
        • 2.Qf2#
      • 1...Kh3
        • 2.Qf1#
      • 1...h4!
    • 1.Qf2+?
      • 1...Kh3
        • 2.Qg3#
      • 1...Kxh1!
    • 1.Qg3+?
      • 1...Kf1
        • 2.Qf2#
      • 1...Kxh1!
    • 1.Qf1+?
      • 1...Kh2
        • 2.Bg3#
      • 1...Kxf1!
    • 1.Qg1+?
      • 1...Kf3
        • 2.Qf2#
      • 1...Kh3
        • 2.Qg3#
      • 1...Kxg1!
    • 1.e5?
      • 1...Kf3
        • 2.Qf2#
        • 2.Qe4#
      • 1...Kh3
        • 2.Qg3#
      • 1...Kh2!
  • Keys
    • 1.Sg3!
      • 1...Kh2
        • 2.Qh1#
      • 1...Kf3
        • 2.Qe2#
      • 1...Kh3
        • 2.Qh1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAR1(A)
  • Tries
    • Try
      • K(E);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(B);
      • Threat
        • QAB1(A)
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(D);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
        • K(a);S_FLIGHT::QAB(A)
      • Refutation
        • P(b);
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT,XS(B)
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT,XS(B)
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);P-FLIGHT::B(D)
      • Refutation
        • K(a);S_FLIGHT,XQ(A)
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
        • K(a);OGATE,S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT,XQ(A)
    • Try
      • P(C);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • S(B);
    • Vars
      • K(a);P-FLIGHT::QAR1(A)
      • K(a);S_FLIGHT::QAB1(A)
      • K(a);S_FLIGHT::QAR2(A)
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