MESON Chess Problem Database

Problem Display
PID: 266266 (5BK1/3N2p1/3N3R/3k4/B2r2p1/1P1r1P2/8/3R4 w - - 0 1)

Clements, HT

Sunday Referee, 1937

(First published on Sun Feb 28 1937)

5BK1/3N2p1/3N3R/3k4/B2r2p1/1P1r1P2/8/3R4

#2

9 + 5

15239 Valois Notebooks 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Sb5?
      • threat
        • 2.Sc7#
        • 2.Rd6#
      • 1...Rxb3
        • 2.Bxb3#
        • 2.Rxd4#
      • 1...Rxf3
        • 2.Rxd4#
      • 1...Rxa4
        • 2.Rd6#
      • 1...gxh6
        • 2.Sc7#
      • 1...g6
        • 2.Sc7#
      • 1...Rc3
        • 2.Sxc3#
        • 2.Rxd4#
        • 2.Rd6#
      • 1...Rb4
        • 2.Rd6#
      • 1...Rc4
        • 2.Rd6#
      • 1...Re4
        • 2.Rd6#
      • 1...Rf4
        • 2.Rd6#
      • 1...gxf3!
    • 1.Sb6+?
      • 1...Kc5
        • 2.Se4#
        • 2.Sb7#
      • 1...Ke5!
    • 1.Rh5+?
      • 1...Ke6
        • 2.Re5#
      • 1...g5!
  • Keys
    • 1.Se8!
      • threat
        • 2.Sc7#
        • 2.Bc6#
        • 2.Rd6#
      • 1...Rxb3
        • 2.Bxb3#
      • 1...Rxf3
        • 2.Bc6#
      • 1...Rxa4
        • 2.Rd6#
      • 1...gxf3
        • 2.Bc6#
      • 1...gxh6
        • 2.Sc7#
      • 1...Rb4
        • 2.Rd6#
      • 1...Rc4
        • 2.Rd6#
      • 1...Re4
        • 2.Rd6#
      • 1...Rf4
        • 2.Rd6#
      • 1...g6
        • 2.Sc7#
      • 1...Rc3
        • 2.Rd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);
      • Threat
        • DUALS(2)
      • Vars
        • R(a);OGATE,P_SPINR(b),XP(C)::R1(A),XR(b)
        • R(b);P_SPINR(a),XB(D)::R1(F)
        • P(e);XR(F)::S(E)
        • P(e);::S(E)
        • R(b);P_SPINR(a)::R1(F)
      • Refutation
        • P(c);XP(C)
    • Try
      • S(G);CHECK
      • Refutation
        • K(d);P-FLIGHT
    • Try
      • R(F);CHECK
      • Vars
        • K(d);S_FLIGHT::R1(F)
      • Refutation
        • P(e);P_SPINP(e)
  • Actual
    • S(E);
    • Threat
      • DUALS(3)
    • Vars
      • R(a);OGATE,P_SPINR(b),XP(B)::B(D),XR(a)
      • R(a);P_SPINR(b),XP(C)::B(D)
      • R(b);P_SPINR(a),XB(D)::R1(F)
      • P(c);XP(C)::B(D)
      • P(e);XR(F)::S(E)
      • R(b);P_SPINR(a)::R1(F)
      • P(e);::S(E)
      • R(a);P_SPINR(b)::R1(F)
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