MESON Chess Problem Database

Problem Display
PID: 11228 (1B2K3/4R3/1pNP4/r5n1/p3NkPP/Q3r3/4P3/6R1 w - - 0 1)

Wimsatt, William Kurtz (Jr)

Chess, 1937

1B2K3/4R3/1pNP4/r5n1/p3NkPP/Q3r3/4P3/6R1

#2

11 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe2
      • 2.Qg3#
    • 1...Rg3
      • 2.Qxg3#
    • 1...Rxe4
      • 2.Qg3#
    • 1...Ra6
      • 2.d7#
    • 1...b5
      • 2.d7#
  • Keys
    • 1.Sc5!
      • threat
        • 2.Qxe3#
      • 1...Rxe7+
        • 2.dxe7#
      • 1...Rxe2
        • 2.Qg3#
      • 1...Rxa3
        • 2.d7#
      • 1...Rg3
        • 2.Qxg3#
      • 1...Rb3
        • 2.d7#
      • 1...Rc3
        • 2.d7#
      • 1...Rd3
        • 2.Sxd3#
      • 1...Rf3
        • 2.d7#
      • 1...Rh3
        • 2.d7#
      • 1...Re4
        • 2.Qg3#
      • 1...Re5
        • 2.Qg3#
      • 1...Re6
        • 2.Qg3#
      • 1...Se4
        • 2.Se6#
      • 1...Se6
        • 2.Rf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 2
  • Sets
    • R(a);OGATE,XP(B)::QAB1(C)
    • R(a);OGATE::QAB1(C),XR(a)
    • R(a);OGATE,P_PINR(I),XS(D)::QAB1(C)
    • R(d);N_GUARD::B(J)+P(H)
    • P(f);S_CUTR(d)::B(J)+P(H)
  • Actual
    • S(D);P_SPINR(I)
    • Threat
      • QAB1(C),XR(a)
    • Vars
      • R(a);CHECK,OGATE,XR(I)::B(J)+P(H),XR(a)
      • R(a);OGATE,XP(B)::QAB1(C)
      • R(a);N_GUARD,N_PINR(I),XQ(C)::B(J)+P(H)
      • R(a);N_PINR(I),OGATE::QAB1(C),XR(a)
      • R(a);N_GUARD,N_PINR(I)::B(J)+P(H)
      • R(a);N_GUARD,N_PINR(I)::S(D),XR(a)
      • R(a);OGATE::QAB1(C)
      • S(e);N_GUARD,N_PINR(I),SBLOCK,S_CUTR(a)::S(D)
      • S(e);N_PINR(I)::R(I)
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