MESON Chess Problem Database

Problem Display
PID: 271157 (8/8/1p1K4/p7/2kN4/1R2Q3/1b2r3/1Nn5 w - - 0 1)

Westbury, Eric Ernest

Birmingham Daily Post, 1902

8/8/1p1K4/p7/2kN4/1R2Q3/1b2r3/1Nn5

#2

5 + 6

17417 Westbury Scrapbooks 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Re1
      • 2.Sd2#
    • 1...Rd2
      • 2.Sxd2#
    • 1...Ba1
      • 2.Sa3#
    • 1...Ba3+
      • 2.Sxa3#
    • 1...Bc3
      • 2.Sa3#
      • 2.Qxc3#
    • 1...Bxd4
      • 2.Sa3#
    • 1...Sa2
      • 2.Qd3#
    • 1...Sd3
      • 2.Qxd3#
  • Tries
    • 1.Rc3+?
      • 1...Bxc3
        • 2.Qxc3#
      • 1...Kb4!
    • 1.Qxe2+?
      • 1...Kxd4
        • 2.Qg4#
      • 1...Sd3
        • 2.Qxd3#
      • 1...Sxe2!
    • 1.Qe6+?
      • 1...Kxd4
        • 2.Qd5#
      • 1...Rxe6+!
  • Keys
    • 1.Sc6!
      • 1...Rd2+
        • 2.Sxd2#
      • 1...Ba3+
        • 2.Sxa3#
      • 1...Be5+
        • 2.Sxe5#
      • 1...Rxe3
        • 2.Sd2#
      • 1...Sxb3
        • 2.Qxe2#
      • 1...Bc3
        • 2.Qxc3#
      • 1...Sd3
        • 2.Qxd3#
      • 1...Re1
        • 2.Sd2#
      • 1...Rc2
        • 2.Qe6#
      • 1...Rf2
        • 2.Qe6#
      • 1...Rg2
        • 2.Qe6#
      • 1...Rh2
        • 2.Qe6#
      • 1...Ba1
        • 2.Sa3#
      • 1...Bd4
        • 2.Sa3#
      • 1...Bf6
        • 2.Sa3#
      • 1...Bg7
        • 2.Sa3#
      • 1...Bh8
        • 2.Sa3#
      • 1...Sa2
        • 2.Qd3#
      • 1...a4
        • 2.Rb4#
      • 1...b5
        • 2.Sxa5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 0
  • Sets
    • R(c);N_GUARD::S(A)
    • R(c);N_GUARD,P_PINS(D)::S(A),XR(c)
    • B(b);N_GUARD::S(A)
    • B(b);CHECK,N_GUARD::S(A),XB(b)
    • B(b);N_GUARD,XS(D)::S(A)
    • S(a);N_GUARD::QAB1(C)
    • S(a);N_GUARD::QAB1(C),XS(a)
  • Tries
    • Try
      • R(B);CHECK
      • Vars
        • B(b);OGATE,XR(B)::QAR1(C),XB(b)
      • Refutation
        • K(d);P-FLIGHT
    • Try
      • Q(C);CHECK,XR(c)
      • Vars
        • K(d);OGATEB,P-FLIGHT,XS(D)::QAR(C)
        • S(a);N_GUARD,P_SPINS(a)::QAB1(C),XS(a)
      • Refutation
        • S(a);XQ(C)
    • Try
      • Q(C);CHECK
      • Vars
        • K(d);P-FLIGHT,XS(D)::QAR1(C)
      • Refutation
        • R(c);CHECK,XQ(C)
  • Actual
    • S(D);
    • Vars
      • R(c);CHECK,N_GUARD::S(A),XR(c)
      • B(b);CHECK,N_GUARD::S(A),XB(b)
      • B(b);CHECK,N_GUARD::S(D),XB(b)
      • R(c);N_GUARD,XQ(C)::S(A)
      • S(a);N_GUARD,SBLOCK,XR(B)::QAB(C),XR(c)
      • B(b);N_GUARD::QAR1(C),XB(b)
      • S(a);N_GUARD::QAB1(C),XS(a)
      • R(c);N_GUARD::S(A)
      • R(c);N_GUARD::QAB(C)
      • B(b);N_GUARD::S(A)
      • S(a);N_GUARD::QAB1(C)
      • P(e);N_GUARD::R1(B)
      • P(f);N_GUARD::S(D),XP(e)
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