MESON Chess Problem Database

Problem Display
PID: 68341 (1K6/2pN1n2/2k1P3/1R5p/1B4p1/1RpB4/2r5/n2Qb2q w - - 0 1)

Kipping, Cyril Stanley

Chess, 1949

1K6/2pN1n2/2k1P3/1R5p/1B4p1/1RpB4/2r5/n2Qb2q

#2

8 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Rd2
      • 2.Rxc3#
    • 1...Bd2
      • 2.Qxh1#
    • 1...Bf2
      • 2.Qxh1#
    • 1...Se5
      • 2.Sxe5#
    • 1...Sg5
      • 2.Se5#
    • 1...Sd6
      • 2.Se5#
      • 2.Rc5#
    • 1...Sh6
      • 2.Se5#
    • 1...Sd8
      • 2.Se5#
    • 1...Sh8
      • 2.Se5#
  • Tries
    • 1.Be2?
      • threat
        • 2.Rc5#
      • 1...Qd5
        • 2.Qxd5#
      • 1...Qg1
        • 2.Qd5#
      • 1...Rd2
        • 2.Rxc3#
      • 1...Bd2
        • 2.Qxh1#
      • 1...Bf2
        • 2.Qxh1#
      • 1...Sxb3!
    • 1.Be4+?
      • 1...Qxe4
        • 2.Rc5#
      • 1...Kxb5!
    • 1.Qxa1?
      • threat
        • 2.Qa6#
        • 2.Qa8#
      • 1...Qg1
        • 2.Qa8#
      • 1...Bf2
        • 2.Qxh1#
        • 2.Qa8#
      • 1...Sd6
        • 2.Se5#
        • 2.Rc5#
        • 2.Qa6#
      • 1...Sd8
        • 2.Se5#
        • 2.Qa6#
      • 1...Ra2!
  • Keys
    • 1.Ra5!
      • threat
        • 2.Bb5#
      • 1...Qd5
        • 2.Ra6#
      • 1...Qf1
        • 2.Be4#
      • 1...Rd2
        • 2.Rxc3#
      • 1...Bd2
        • 2.Qxh1#
      • 1...Sd6
        • 2.Rc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • R(d);N_GUARD,S_CUTB(b)::R(B),XP(e)
    • B(b);OGATE::QAB(A),XQ(c)
    • S(j);N_GUARD::S(G),XS(j)
    • S(j);N_GUARD::S(G)
  • Tries
    • Try
      • B(C);
      • Threat
        • R1(E)
      • Vars
        • Q(c);N_GUARD::QAB1(A),XQ(c)
        • Q(c);N_GUARD::QAB1(A)
        • R(d);N_GUARD,S_CUTB(b)::R(B),XP(e)
        • B(b);OGATE::QAB(A),XQ(c)
      • Refutation
        • S(a);XR(B)
    • Try
      • B(C);CHECK
      • Vars
        • Q(c);XB(C)::R1(E)
      • Refutation
        • K(h);S_FLIGHT,XR(E)
    • Try
      • Q(A);XS(a)
      • Threat
        • DUALS(2)
      • Vars
        • Q(c);::QAB(A)
      • Refutation
        • R(d);
  • Actual
    • R(E);
    • Threat
      • B(C)
    • Vars
      • Q(c);SBLOCK::R(E)
      • Q(c);N_GUARD::B(C)
      • R(d);N_GUARD,S_CUTB(b)::R(B),XP(e)
      • B(b);OGATE::QAB(A),XQ(c)
      • S(j);SBLOCK::R1(E)
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