MESON Chess Problem Database

Problem Display
PID: 269815 (5N2/K7/3P2P1/1p1rk2N/1Q4P1/8/5B1b/1B6 w - - 0 1)

Westbury, Eric Ernest

Birmingham Weekly Post, 1899

5N2/K7/3P2P1/1p1rk2N/1Q4P1/8/5B1b/1B6

#2

9 + 4

17417 Westbury Scrapbooks 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Rd4
      • 2.Qxd4#
    • 1...Rc5
      • 2.Qxc5#
      • 2.Qd4#
    • 1...Rxd6
      • 2.Qe4#
    • 1...Bg1
      • 2.Qf4#
    • 1...Bg3
      • 2.Bxg3#
    • 1...Bf4
      • 2.Qxf4#
  • Tries
    • 1.Bd3?
      • 1...Rxd6
        • 2.Qe4#
      • 1...Rd4
        • 2.Qxd4#
      • 1...Rc5
        • 2.Qxc5#
        • 2.Qd4#
      • 1...Bg1
        • 2.Qf4#
      • 1...Bg3
        • 2.Bxg3#
      • 1...Bf4
        • 2.Qxf4#
      • 1...Rxd3!
    • 1.Bc5?
      • threat
        • 2.Qe1#
        • 2.Qe4#
      • 1...Rxc5
        • 2.Qxc5#
      • 1...Rxd6
        • 2.Qe4#
      • 1...Rd1
        • 2.Qe4#
      • 1...Rd2
        • 2.Qe4#
      • 1...Rd4
        • 2.Qxd4#
      • 1...Bg1
        • 2.Qe4#
        • 2.Qf4#
      • 1...Bg3
        • 2.Qe4#
      • 1...Bf4
        • 2.Qe4#
        • 2.Qxf4#
      • 1...Rd3!
    • 1.Qc3+?
      • 1...Rd4
        • 2.Qxd4#
      • 1...Kxd6!
    • 1.Qc5?
      • threat
        • 2.Bd4#
      • 1...Bg1
        • 2.Bg3#
      • 1...Rxc5!
    • 1.Qb2+?
      • 1...Rd4
        • 2.Qxd4#
      • 1...Kxd6!
  • Keys
    • 1.Ba2!
      • 1...Rxd6
        • 2.Qe1#
      • 1...Rd4
        • 2.Qxd4#
      • 1...Rc5
        • 2.Qd4#
      • 1...Rd1
        • 2.Sd7#
      • 1...Rd2
        • 2.Sd7#
      • 1...Rd3
        • 2.Sd7#
      • 1...Bg1
        • 2.Qf4#
      • 1...Bg3
        • 2.Bxg3#
      • 1...Bf4
        • 2.Qxf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • R(c);N_GUARD::QAB1(C),XR(c)
    • R(c);SBLOCK,XP(F)::QAR1(C)
    • B(a);N_GUARD,P_PINB(B)::QAB1(C)
    • B(a);N_GUARD::B(B),XB(a)
    • B(a);N_GUARD::QAB1(C),XB(a)
  • Tries
    • Try
      • B(A);
      • Vars
        • R(c);SBLOCK,XP(F)::QAR1(C)
        • R(c);N_GUARD::QAB1(C),XR(c)
        • B(a);N_GUARD,P_PINB(B)::QAB1(C)
        • B(a);N_GUARD::B(B),XB(a)
        • B(a);N_GUARD::QAB1(C),XB(a)
      • Refutation
        • R(c);XB(A)
    • Try
      • B(B);
      • Threat
        • DUALS(2)
      • Vars
        • R(c);OGATE,XB(B)::QAR2(C),XR(c)
        • R(c);XP(F)::QAR1(C)
        • R(c);::QAR1(C)
        • R(c);N_GUARD::QAB1(C),XR(c)
        • B(a);::QAR1(C)
      • Refutation
        • R(c);
    • Try
      • Q(C);CHECK
      • Vars
        • R(c);N_GUARD,P_SPINR(c)::QAB1(C),XR(c)
      • Refutation
        • K(d);S_FLIGHT,XP(F)
    • Try
      • Q(C);P_PINR(c)
      • Threat
        • B(B)
      • Vars
        • B(a);N_GUARD::B(B)
      • Refutation
        • R(c);N_SPINR(c),XQ(C)
    • Try
      • Q(C);CHECK
      • Vars
        • R(c);N_GUARD,P_SPINR(c)::QAB1(C),XR(c)
      • Refutation
        • K(d);S_FLIGHT,XP(F)
  • Actual
    • B(A);
    • Vars
      • R(c);SBLOCK,XP(F)::QAR(C)
      • R(c);N_GUARD::QAB1(C),XR(c)
      • R(c);N_GUARD::QAB1(C)
      • R(c);::S(I)
      • B(a);N_GUARD,P_PINB(B)::QAB1(C)
      • B(a);N_GUARD::B(B),XB(a)
      • B(a);N_GUARD::QAB1(C),XB(a)
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