MESON Chess Problem Database

Problem Display
PID: 263859 (8/8/3pn1Qn/Kp1k4/2RrNPP1/5p2/5B2/3b4 w - - 0 1)

Wynne, Frank Wilson

Tijdschrift vd NSB, 1904

8/8/3pn1Qn/Kp1k4/2RrNPP1/5p2/5B2/3b4

#2

7 + 8

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe4
      • 2.Qxe4#
  • Tries
    • 1.Qf5+?
      • 1...Kxc4
        • 2.Qxb5#
      • 1...Sxf5!
  • Keys
    • 1.Qe8!
      • threat
        • 2.Qc6#
      • 1...Kxc4
        • 2.Qxb5#
      • 1...Kxe4
        • 2.Rxd4#
      • 1...Rxc4
        • 2.Sf6#
      • 1...Sxf4
        • 2.Rxd4#
      • 1...bxc4
        • 2.Qa8#
      • 1...Sc5
        • 2.Rxd4#
      • 1...Sg5
        • 2.Rxd4#
      • 1...Sc7
        • 2.Rxd4#
      • 1...Sg7
        • 2.Rxd4#
      • 1...Sd8
        • 2.Rxd4#
      • 1...Sf8
        • 2.Rxd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 1
  • Sets
    • R(c);OGATE,XS(C)::QAB1(G),XR(c)
  • Tries
    • Try
      • Q(G);CHECK
      • Vars
        • K(e);OGATE,S_FLIGHT,XR(B)::QAB1(G),XP(d)
      • Refutation
        • S(h);XQ(G)
  • Actual
    • Q(G);
    • Threat
      • QAB1(G)
    • Vars
      • K(e);N_GUARD,S_CUTS(g),S_FLIGHT,XR(B)::QAB1(G),XP(d)
      • K(e);P_SPINR(c),P_SPINS(g),S_FLIGHT,XS(C)::R1(B),XR(c)
      • R(c);SBLOCK,XR(B)::S(C)
      • S(g);N_GUARD,XP(D)::R1(B),XR(c)
      • P(d);SBLOCK,XR(B)::QAB(G)
      • S(g);N_GUARD::R1(B),XR(c)
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Developed and maintained by Brian Stephenson.
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