MESON Chess Problem Database

Problem Display
PID: 217432 (2R5/4N3/1b1p1p2/3pkB1r/3R3p/6P1/1Q2P3/6K1 w - - 0 1)

Wormald, Robert Bownas

English Mechanic and World of Science, 1872

(First published on Fri Sep 27 1872)

2R5/4N3/1b1p1p2/3pkB1r/3R3p/6P1/1Q2P3/6K1

#2

8 + 7

15239 Valois Notebooks 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ba5
      • 2.Re4#
      • 2.Rxd5#
    • 1...Bc7
      • 2.Re4#
      • 2.Rxd5#
    • 1...Bd8
      • 2.Re4#
      • 2.Rxd5#
  • Tries
    • 1.Qc1?
      • threat
        • 2.Qe3#
        • 2.Qf4#
      • 1...Kxd4
        • 2.Sc6#
        • 2.Qf4#
        • 2.Qc3#
      • 1...Rxf5
        • 2.Qe3#
      • 1...Bxd4+!
    • 1.Qa3?
      • threat
        • 2.Qe3#
      • 1...Kxd4
        • 2.Qc3#
      • 1...Bxd4+!
    • 1.Qd2?
      • threat
        • 2.Qe3#
        • 2.Qf4#
      • 1...Rxf5
        • 2.Qe3#
      • 1...Bxd4+!
    • 1.Qb3?
      • threat
        • 2.Qxd5#
        • 2.Qe3#
      • 1...Kxd4
        • 2.Qc3#
      • 1...Bxd4+!
    • 1.e3?
      • threat
        • 2.Re4#
        • 2.Rxd5#
      • 1...Bxd4
        • 2.Qxd4#
        • 2.exd4#
      • 1...Rxf5!
  • Keys
    • 1.Rc3!
      • threat
        • 2.Re3#
      • 1...Kxd4
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • R(d);XB(F)::QAR2(B)
      • Refutation
        • B(e);CHECK,XR(E)
    • Try
      • Q(B);
      • Threat
        • QAR2(B)
      • Vars
        • K(c);OGATEB,S_FLIGHT,XR(E)::QAB1(B)
      • Refutation
        • B(e);CHECK,XR(E)
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • R(d);XB(F)::QAR2(B)
      • Refutation
        • B(e);CHECK,XR(E)
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • K(c);OGATEB,S_FLIGHT,XR(E)::QAB1(B)
      • Refutation
        • B(e);CHECK,XR(E)
    • Try
      • P(C);N_SPINR(E)
      • Threat
        • DUALS(2)
      • Refutation
        • R(d);XB(F)
  • Actual
    • R(H);
    • Threat
      • R(H)
    • Vars
      • K(c);S_FLIGHT,XR(E)::S(G)
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