MESON Chess Problem Database

Problem Display
PID: 158211 (7R/8/6pb/2R3pN/2P3kN/6B1/2Q5/3K4 w - - 0 1)

Millins, Edward

British Chess Magazine 13. Ty., 1906-1907

7R/8/6pb/2R3pN/2P3kN/6B1/2Q5/3K4

#2

8 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Kxh5
      • 2.Qe2#
  • Tries
    • 1.Sf6+?
      • 1...Kh3
        • 2.Qg2#
        • 2.Qh2#
      • 1...Kxg3!
    • 1.Rxg5+?
      • 1...Kh3
        • 2.Sf4#
        • 2.Qg2#
        • 2.Qh2#
      • 1...Kxg5
        • 2.Qxg6#
      • 1...Bxg5!
    • 1.Qe4+?
      • 1...Kxh5
        • 2.Qf3#
        • 2.Qe2#
      • 1...Kh3!
    • 1.Qf5+?
      • 1...Kxh5
        • 2.Qf3#
        • 2.Qxg5#
      • 1...gxf5!
    • 1.Qxg6?
      • 1...Bg7
        • 2.Qf5#
        • 2.Qe6#
      • 1...Bf8
        • 2.Qf5#
        • 2.Qe6#
      • 1...Kh3!
    • 1.Qg2?
      • threat
        • 2.Sf6#
      • 1...Kxh5
        • 2.Qf3#
        • 2.Qe2#
      • 1...Bg7
        • 2.Be1#
        • 2.Bf2#
      • 1...gxh5!
  • Keys
    • 1.Be1!
      • 1...Kh3
        • 2.Qg2#
      • 1...Kxh5
        • 2.Qe2#
      • 1...gxh4
        • 2.Qg2#
      • 1...gxh5
        • 2.Qf5#
      • 1...Bg7
        • 2.Qg2#
      • 1...Bf8
        • 2.Qg2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • K(a);P_SPINB(d),P_SPINP(b),S_FLIGHT,XS(G)::QAB(B)
  • Tries
    • Try
      • S(G);CHECK
      • Refutation
        • K(a);P-FLIGHT,XB(C)
    • Try
      • R(F);CHECK,XP(b)
      • Vars
        • K(a);P-FLIGHT,XR(F)::QAR1(B),XP(c)
      • Refutation
        • B(d);XR(F)
    • Try
      • Q(B);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Refutation
        • P(c);XQ(B)
    • Try
      • Q(B);P_PINP(b),XP(c)
      • Refutation
        • K(a);N_SPINP(b),S_FLIGHT
    • Try
      • Q(B);
      • Threat
        • S(G)
      • Refutation
        • P(c);XS(G)
  • Actual
    • B(C);
    • Vars
      • K(a);S_FLIGHT::QAB1(B)
      • K(a);P_SPINB(d),P_SPINP(b),S_FLIGHT,XS(G)::QAB(B)
      • P(b);XS(E)::QAR2(B)
      • P(c);N_GUARD,SBLOCK,XS(G)::QAB1(B)
      • B(d);::QAR2(B)
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