MESON Chess Problem Database

Problem Display
PID: 218616 (1Nn3r1/2r1Pp2/1p2kB2/4P3/B1PK2P1/1N6/n3Q3/8 w - - 0 1)

Millins, Edgar

British Chess Magazine, 1922

1Nn3r1/2r1Pp2/1p2kB2/4P3/B1PK2P1/1N6/n3Q3/8

#2

10 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc4+
      • 2.Qxc4#
    • 1...Rc5
      • 2.Bd7#
    • 1...Rd7+
      • 2.Bxd7#
    • 1...Rxg4+
      • 2.Qxg4#
    • 1...Rd8+
      • 2.exd8S#
    • 1...Rf8
      • 2.exf8S#
  • Tries
    • 1.Sc5+?
      • 1...Rxc5
        • 2.Bd7#
      • 1...bxc5+!
  • Keys
    • 1.Ke3!
      • threat
        • 2.Sd4#
      • 1...Rxc4
        • 2.Qxc4#
      • 1...Rxg4
        • 2.Qxg4#
      • 1...Rd7
        • 2.Bxd7#
      • 1...Rd8
        • 2.exd8S#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • R(d);CHECK,OGATE,XP(D)::QAB(A),XR(d)
    • R(d);N_GUARD::B(C)
    • R(d);CHECK,N_GUARD::B(C),XR(d)
    • R(g);CHECK,OGATE,XP(F)::QAB(A),XR(g)
    • R(g);CHECK,OGATE::PXR(g)=S
    • R(g);OGATE::PXR(g)=S
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • R(d);XS(B)::B(C)
      • Refutation
        • P(b);CHECK,XS(B)
  • Actual
    • K(E);S_FLIGHT
    • Threat
      • S(B)
    • Vars
      • R(d);OGATE,XP(D)::QAB(A),XR(d)
      • R(g);OGATE,XP(F)::QAB(A),XR(g)
      • R(d);N_GUARD::B(C),XR(d)
      • R(g);OGATE::PXR(g)=S
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