MESON Chess Problem Database

Problem Display
PID: 224221 (8/1K6/6n1/8/4kp2/8/1Q2B3/B7 w - - 0 1)

Miklos, M

Baltimore Sunday News, 1888

8/1K6/6n1/8/4kp2/8/1Q2B3/B7

#2

4 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sh4
      • 2.Qe5#
    • 1...Se5
      • 2.Qxe5#
    • 1...Se7
      • 2.Qe5#
    • 1...Sf8
      • 2.Qe5#
    • 1...Sh8
      • 2.Qe5#
  • Tries
    • 1.Bf3+?
      • 1...Kd3
        • 2.Qc3#
        • 2.Qe2#
      • 1...Ke3
        • 2.Qe2#
      • 1...Kf5
        • 2.Qf6#
      • 1...Kxf3!
    • 1.Qc3?
      • threat
        • 2.Qd3#
      • 1...Kd5
        • 2.Qc6#
      • 1...f3
        • 2.Qxf3#
      • 1...Se5
        • 2.Qxe5#
      • 1...Kf5!
    • 1.Qf6?
      • 1...Kd5
        • 2.Qc6#
      • 1...Sh4
        • 2.Qe5#
        • 2.Qe6#
      • 1...Se5
        • 2.Qxe5#
      • 1...Se7
        • 2.Qe5#
        • 2.Qe6#
      • 1...Sf8
        • 2.Qe5#
      • 1...Sh8
        • 2.Qe5#
        • 2.Qe6#
      • 1...f3
        • 2.Qxf3#
      • 1...Ke3!
    • 1.Qc2+?
      • 1...Kd5
        • 2.Qc6#
      • 1...Ke3!
  • Keys
    • 1.Bg4!
      • threat
        • 2.Qd4#
      • 1...Kd3
        • 2.Qe2#
      • 1...Ke3
        • 2.Qd4#
        • 2.Qe2#
      • 1...Kd5
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • S(c);N_GUARD::QAR1(B)
    • S(c);N_GUARD::QAR1(B),XS(c)
  • Tries
    • Try
      • B(C);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(B)
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT,XB(C)
    • Try
      • Q(B);
      • Threat
        • QAB1(B)
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
        • P(b);::QAB1(B),XP(b)
        • S(c);N_GUARD::QAR1(B),XS(c)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
        • S(c);N_GUARD::QAR1(B),XS(c)
        • S(c);N_GUARD::QAR1(B)
        • P(b);OGATE::QAB1(B),XP(b)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • B(C);
    • Threat
      • QAR1(B)
    • Vars
      • K(a);S_FLIGHT::QAB1(B)
      • K(a);S_FLIGHT::QAR1(B)
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