MESON Chess Problem Database

Problem Display
PID: 133796 (5B2/6p1/8/1B1kN1K1/8/4p3/8/Q7 w - - 0 1)

Karwatkar, Abdul Jabbar

13th Place, 03. WCCT, 1984-1988

5B2/6p1/8/1B1kN1K1/8/4p3/8/Q7

#2

5 + 3

5454 Near Snap 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Bc6#
    • 1...Ke6
      • 2.Bc4#
  • Tries
    • 1.Kf5?
      • threat
        • 2.Bc4#
        • 2.Bc6#
        • 2.Qd1#
      • 1...e2
        • 2.Bc4#
        • 2.Bc6#
      • 1...g6+!
    • 1.Sd3?
      • threat
        • 2.Qe5#
      • 1...Ke6
        • 2.Qa2#
      • 1...Ke4!
    • 1.Sg4?
      • threat
        • 2.Qe5#
      • 1...Ke6
        • 2.Qa2#
      • 1...Ke4!
    • 1.Sc6?
      • threat
        • 2.Qe5#
      • 1...Ke4
        • 2.Qh1#
      • 1...Ke6!
    • 1.Sg6?
      • threat
        • 2.Qe5#
      • 1...Ke6
        • 2.Qa2#
      • 1...Ke4!
    • 1.Sd7?
      • threat
        • 2.Qe5#
      • 1...Ke6
        • 2.Qa2#
      • 1...Ke4!
    • 1.Sf7?
      • threat
        • 2.Qe5#
      • 1...Ke6
        • 2.Qa2#
      • 1...Ke4!
    • 1.Be2?
      • 1...Ke4
        • 2.Bf3#
      • 1...Ke6
        • 2.Bc4#
      • 1...g6!
    • 1.Qd4+?
      • 1...Ke6
        • 2.Bc4#
        • 2.Bd7#
        • 2.Qd6#
      • 1...Kxd4!
  • Keys
    • 1.Sf3!
      • threat
        • 2.Qe5#
      • 1...Ke4
        • 2.Qa8#
      • 1...Ke6
        • 2.Qa2#

This anticipates 67445(2005)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::B(B)
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Threat
        • DUALS(3)
      • Refutation
        • P(c);CHECK
    • Try
      • S(C);
      • Threat
        • QAR1(A)
      • Vars
        • K(b);S_FLIGHT::QAB(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(C);
      • Threat
        • QAR1(A)
      • Vars
        • K(b);S_FLIGHT::QAB(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(C);
      • Threat
        • QAR1(A)
      • Vars
        • K(b);S_FLIGHT::QAB(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(C);
      • Threat
        • QAR1(A)
      • Vars
        • K(b);S_FLIGHT::QAB(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(C);
      • Threat
        • QAR1(A)
      • Vars
        • K(b);S_FLIGHT::QAB(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(C);
      • Threat
        • QAR1(A)
      • Vars
        • K(b);S_FLIGHT::QAB(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(B);
      • Vars
        • K(b);S_FLIGHT::B(B)
      • Refutation
        • P(c);
    • Try
      • Q(A);CHECK
      • Refutation
        • K(b);P-FLIGHT,XQ(A)
  • Actual
    • S(C);
    • Threat
      • QAR1(A)
    • Vars
      • K(b);S_FLIGHT::QAB(A)
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