MESON Chess Problem Database

Problem Display
PID: 185837 (nQ3B2/2p3pK/b3p3/4kp1N/R2n1pr1/r7/3N4/b2R3B w - - 0 1)

Stanley, Cyril (Kipping, Cyril Stanley)

Chess, 1957

nQ3B2/2p3pK/b3p3/4kp1N/R2n1pr1/r7/3N4/b2R3B

#2

8 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Bc4
      • 2.Sxc4#
    • 1...Bb7
      • 2.Sc4#
    • 1...Bc8
      • 2.Sc4#
    • 1...Sb3
      • 2.Sf3#
    • 1...Sb5
      • 2.Sc4#
    • 1...Sb6
      • 2.Qxc7#
  • Tries
    • 1.Ra5+?
      • 1...Bb5
        • 2.Sc4#
      • 1...Sb5
        • 2.Sc4#
      • 1...Rxa5!
    • 1.Qb4?
      • threat
        • 2.Qc5#
      • 1...Rc3
        • 2.Qxd4#
      • 1...Bc4
        • 2.Sxc4#
      • 1...Bb7
        • 2.Sc4#
      • 1...Sb3
        • 2.Sf3#
      • 1...c5
        • 2.Qxc5#
      • 1...Sb6!
    • 1.Qb5+?
      • 1...Sxb5
        • 2.Sc4#
      • 1...c5
        • 2.Sc4#
        • 2.Qxc5#
      • 1...Bxb5!
  • Keys
    • 1.Qa7!
      • threat
        • 2.Qc5#
      • 1...Rc3
        • 2.Qxd4#
      • 1...Bc4
        • 2.Sxc4#
      • 1...Bb7
        • 2.Sc4#
      • 1...Sb3
        • 2.Sf3#
      • 1...Sb6
        • 2.Qxc7#
      • 1...c5
        • 2.Qxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • B(h);N_GUARD::S(C),XB(h)
    • B(h);N_GUARD::S(C)
    • S(c);N_GUARD,S_CUTR(b)::S(C)
    • S(c);S_CUTB(h)::S(C)
    • S(l);N_GUARD::QAB(G),XP(j)
  • Tries
    • Try
      • R(D);CHECK
      • Vars
        • B(h);P_SPINB(h)::S(C)
        • S(c);P_SPINS(c)::S(C)
      • Refutation
        • R(b);XR(D)
    • Try
      • Q(G);N_PINP(j)
      • Threat
        • QAR2(G)
      • Vars
        • R(b);S_CUTB(a)::QAB1(G),XS(c)
        • B(h);N_GUARD::S(C),XB(h)
        • B(h);N_GUARD::S(C)
        • S(c);N_GUARD,S_CUTR(b)::S(C)
        • P(j);::QAR2(G),XP(j)
      • Refutation
        • S(l);
    • Try
      • Q(G);CHECK,N_PINP(j)
      • Vars
        • S(c);XQ(G)::S(C)
      • Refutation
        • B(h);XQ(G)
  • Actual
    • Q(G);N_PINP(j)
    • Threat
      • QAR2(G)
    • Vars
      • R(b);S_CUTB(a)::QAB1(G),XS(c)
      • B(h);N_GUARD::S(C),XB(h)
      • B(h);N_GUARD::S(C)
      • S(c);N_GUARD,S_CUTR(b)::S(C)
      • S(l);N_GUARD::QAB(G),XP(j)
      • P(j);::QAR2(G),XP(j)
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