MESON Chess Problem Database

Problem Display
PID: 224720 (8/8/1N2pp2/8/3Nk3/6P1/5Q2/1K6 w - - 0 1)

Woodard, Eugene

The Sunny South, 1888

8/8/1N2pp2/8/3Nk3/6P1/5Q2/1K6

#2

5 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Qf4#
  • Tries
    • 1.Kc2?
      • threat
        • 2.Qf4#
      • 1...Ke5
        • 2.Qf4#
      • 1...e5!
    • 1.Sc2?
      • 1...Kd3
        • 2.Qe3#
      • 1...Ke5
        • 2.Qf4#
      • 1...f5
        • 2.Qe3#
        • 2.Qe2#
      • 1...e5!
    • 1.Qf3+?
      • 1...Ke5
        • 2.Qf4#
      • 1...Kxd4!
  • Keys
    • 1.Sb3!
      • 1...Kd3
        • 2.Qf3#
      • 1...Ke5
        • 2.Qf4#
      • 1...e5
        • 2.Sc5#
      • 1...f5
        • 2.Qe2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::QAB1(B)
  • Tries
    • Try
      • K(A);S_FLIGHT
      • Threat
        • QAR1(B)
      • Vars
        • K(a);P-FLIGHT::QAB1(B)
      • Refutation
        • P(b);
    • Try
      • S(D);
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
        • K(a);P-FLIGHT::QAB1(B)
      • Refutation
        • P(b);
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);P-FLIGHT::QAB1(B)
      • Refutation
        • K(a);P-FLIGHT,XS(D)
  • Actual
    • S(D);
    • Vars
      • K(a);S_FLIGHT::QAR2(B)
      • K(a);P-FLIGHT::QAB1(B)
      • P(b);SBLOCK::S(D)
      • P(c);SBLOCK::QAR2(B)
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