MESON Chess Problem Database

Problem Display
PID: 94973 (8/8/8/K2p1B2/5B2/8/6kr/4Q3 w - - 0 1)

Bariak, V

Pravda, 2002

8/8/8/K2p1B2/5B2/8/6kr/4Q3

#2

4 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Bh3+?
      • 1...Kf3
        • 2.Qe3#
      • 1...Kxh3
        • 2.Qg3#
      • 1...Rxh3!
    • 1.Be4+?
      • 1...Kh3
        • 2.Qg3#
      • 1...dxe4!
    • 1.Qf2+?
      • 1...Kh1
        • 2.Qf1#
        • 2.Qxh2#
      • 1...Kxf2!
    • 1.Qg3+?
      • 1...Kh1
        • 2.Qxh2#
      • 1...Kf1!
    • 1.Qe2+?
      • 1...Kh1
        • 2.Qf1#
        • 2.Qxh2#
      • 1...Kg1!
  • Keys
    • 1.Bd3!
      • threat
        • 2.Qf1#
      • 1...Kf3
        • 2.Qg3#
      • 1...Kh3
        • 2.Qg3#
      • 1...Rh1
        • 2.Qg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(D);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
        • K(a);S_FLIGHT,XB(D)::QAR1(A)
      • Refutation
        • R(b);XB(D)
    • Try
      • B(D);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • P(c);XB(D)
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);P-FLIGHT,XQ(A)
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(A),XR(b)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • B(D);
    • Threat
      • QAB1(A)
    • Vars
      • K(a);S_FLIGHT::QAR1(A)
      • R(b);SBLOCK::QAR1(A)
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