MESON Chess Problem Database

Problem Display
PID: 256437 (q3rQr1/bp5p/b3p3/8/3R1Nk1/8/4P1K1/3BBR2 w - - 0 1)

Kipping, Cyril Stanley

British Chess Magazine, 1933

q3rQr1/bp5p/b3p3/8/3R1Nk1/8/4P1K1/3BBR2

#2

8 + 9

SOLUTION

  • SOUND
  • Tries
    • 1.Sh3+?
      • 1...Bxd4
        • 2.Qf3#
      • 1...Kh5+!
    • 1.Sxe6+?
      • 1...Bxd4
        • 2.Qf3#
        • 2.Qf5#
      • 1...Kh5+!
    • 1.Qg7+?
      • 1...Kf5
        • 2.Sd3#
        • 2.Sh3#
        • 2.Sd5#
        • 2.Sh5#
        • 2.e4#
      • 1...Rxg7!
    • 1.Qxg8+?
      • 1...Kf5
        • 2.Sd3#
      • 1...Rxg8!
  • Keys
    • 1.Qh6!
      • threat
        • 2.Qh5#
      • 1...Kf5+
        • 2.Sg6#
      • 1...b5+
        • 2.e4#
      • 1...b6+
        • 2.Sd5#
      • 1...Rg5
        • 2.Qh3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);CHECK
      • Vars
        • B(d);XR(F)::QAB1(H)
      • Refutation
        • K(a);CHECK,S_FLIGHT
    • Try
      • S(G);CHECK,XP(c)
      • Refutation
        • K(a);CHECK,S_FLIGHT
    • Try
      • Q(H);CHECK
      • Refutation
        • R(i);XQ(H)
    • Try
      • Q(H);CHECK,XR(i)
      • Vars
        • K(a);N_GUARD,S_FLIGHT::R(C)+S(G)
      • Refutation
        • R(h);XQ(H)
  • Actual
    • Q(H);
    • Threat
      • QAB1(H)
    • Vars
      • K(a);CHECK,S_CUTB(d),S_FLIGHT::R(C)+S(G)
      • P(e);CHECK,S_CUTB(b)::B(A)+P(D)
      • P(e);CHECK,S_CUTB(d)::R(F)+S(G)
      • R(i);SBLOCK::QAB1(H)
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