MESON Chess Problem Database

Problem Display
PID: 21461 (4R3/1K3P1r/3N1p1p/3kP2Q/1R1B4/n7/7b/r6b w - - 0 1)

Warton, Thomas Joseph

Falkirk Herald, 1919

4R3/1K3P1r/3N1p1p/3kP2Q/1R1B4/n7/7b/r6b

#2

8 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rxf7+
      • 2.Qxf7#
    • 1...Bf3
      • 2.Qxf3#
    • 1...Bg1
      • 2.Qxh1#
  • Tries
    • 1.Ba7?
      • threat
        • 2.Rd4#
      • 1...Rxf7+
        • 2.Qxf7#
      • 1...Rd1
        • 2.Qxd1#
      • 1...Bg1
        • 2.Qxh1#
      • 1...Sc2
        • 2.Rb5#
      • 1...Sc4
        • 2.Rb5#
      • 1...Sb5
        • 2.Rxb5#
      • 1...Rb1!
    • 1.exf6+?
      • 1...Be5
        • 2.Qxe5#
      • 1...Kxd6+!
  • Keys
    • 1.Bb6!
      • threat
        • 2.Rd4#
      • 1...Rxf7+
        • 2.Qxf7#
      • 1...Rd1
        • 2.Qxd1#
      • 1...Bg1
        • 2.Qxh1#
      • 1...Sc2
        • 2.Rb5#
      • 1...Sc4
        • 2.Rb5#
      • 1...Sb5
        • 2.Rxb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • R(h);CHECK,OGATE,XP(G)::QAB(D),XR(h)
    • B(b);N_GUARD::QAB(D),XB(b)
    • B(c);OGATE::QAB(D),XB(b)
  • Tries
    • Try
      • B(B);
      • Threat
        • R1(A)
      • Vars
        • R(h);CHECK,OGATE,XP(G)::QAB(D),XR(h)
        • R(a);N_GUARD::QAR(D),XR(a)
        • B(c);OGATE::QAB(D),XB(b)
        • S(d);N_GUARD::R(A)
        • S(d);N_GUARD::R(A),XS(d)
      • Refutation
        • R(a);P_PINR(A)
    • Try
      • P(C);CHECK,XP(f)
      • Vars
        • B(c);N_GUARD,P_SPINB(c)::QAR1(D),XB(c)
      • Refutation
        • K(e);CHECK,P-FLIGHT,XS(E)
  • Actual
    • B(B);
    • Threat
      • R1(A)
    • Vars
      • R(h);CHECK,OGATE,XP(G)::QAB(D),XR(h)
      • R(a);N_GUARD::QAR(D),XR(a)
      • B(c);OGATE::QAB(D),XB(b)
      • S(d);N_GUARD::R(A)
      • S(d);N_GUARD::R(A),XS(d)
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