MESON Chess Problem Database

Problem Display
PID: 53146 (8/3KpB2/4P3/4b3/4N3/2n1Q3/2r1N3/3k4 w - - 0 1)

Scott, Sergeant-Instructor J

1st Prize Set, Huddersfield College Magazine, 0000

8/3KpB2/4P3/4b3/4N3/2n1Q3/2r1N3/3k4

#2

6 + 5

15 British Chess Magazine 1881

SOLUTION

  • SOUND
  • Sets
    • 1...Rc1
      • 2.Qd2#
    • 1...Rd2+
      • 2.Qxd2#
  • Tries
    • 1.S2xc3+?
      • 1...Rxc3
        • 2.Qd2#
      • 1...Bxc3!
    • 1.Qd3+?
      • 1...Rd2
        • 2.Qxd2#
      • 1...Ke1!
  • Keys
    • 1.Bh5!
      • threat
        • 2.S2xc3#
        • 2.Qg1#
      • 1...Rd2+
        • 2.Qxd2#
      • 1...Ke1
        • 2.Qg1#
      • 1...Rxe2
        • 2.Qd2#
      • 1...Sxe2
        • 2.Qg1#
      • 1...Sxe4
        • 2.Sc3#
      • 1...Rc1
        • 2.Qxc1#
        • 2.Qd2#
      • 1...Ra2
        • 2.Qc1#
      • 1...Rb2
        • 2.Qc1#
      • 1...Bh2
        • 2.S2xc3#
      • 1...Bg3
        • 2.S2xc3#
      • 1...Bd4
        • 2.S2xc3#
      • 1...Sb1
        • 2.S2c3#
        • 2.Qg1#
      • 1...Sa2
        • 2.S2c3#
        • 2.Qg1#
      • 1...Sa4
        • 2.S2c3#
        • 2.Qg1#
      • 1...Sb5
        • 2.S2c3#
        • 2.Qg1#
      • 1...Sd5
        • 2.S2c3#
        • 2.Qg1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 1
  • Sets
    • R(b);N_GUARD::QAR1(B)
    • R(b);CHECK,N_GUARD::QAR1(B),XR(b)
  • Tries
    • Try
      • S(A);CHECK,XS(c)
      • Vars
        • R(b);XS(A)::QAR1(B)
      • Refutation
        • B(d);XS(A)
    • Try
      • Q(B);CHECK
      • Vars
        • R(b);N_GUARD,P_PINQ(B),P_SPINR(b)::QAR1(B),XR(b)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • B(F);
    • Threat
      • DUALS(2)
    • Vars
      • R(b);CHECK,N_GUARD::QAR1(B),XR(b)
      • K(a);P-FLIGHT::QAR2(B)
      • R(b);N_GUARD,P_SPINR(b),XS(A)::QAR1(B)
      • S(c);P_SPINS(c),XS(A)::QAR(B)
      • S(c);XS(C)::B(F)+S(A),DCHECK
      • R(b);N_GUARD::QAR1(B)
      • B(d);::B(F)+S(A),DCHECK,XS(c)
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