MESON Chess Problem Database

Problem Display
PID: 70257 (5Bb1/3RN3/Kp5r/1Bk2n2/2N4p/PnrpP3/1P5b/8 w - - 0 1)

Fillery, William Edmund Frank

Chess, 1950

5Bb1/3RN3/Kp5r/1Bk2n2/2N4p/PnrpP3/1P5b/8

#2

9 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Re6
      • 2.Rd5#
    • 1...Bd5
      • 2.Rxd5#
    • 1...Bh7
      • 2.Rd5#
    • 1...Sa1
      • 2.b4#
    • 1...Sc1
      • 2.b4#
    • 1...Sd2
      • 2.b4#
    • 1...Sbd4
      • 2.b4#
    • 1...Sa5
      • 2.b4#
    • 1...Sg3
      • 2.Sg6#
    • 1...Sd6
      • 2.Rc7#
  • Tries
    • 1.Sa5?
      • threat
        • 2.Sb7#
      • 1...Sxa5
        • 2.b4#
      • 1...Bd5
        • 2.Rxd5#
      • 1...Sd6
        • 2.Rc7#
      • 1...bxa5+!
    • 1.Rc7+?
      • 1...Rc6
        • 2.Rxc6#
      • 1...Bxc7!
  • Keys
    • 1.Sd2!
      • threat
        • 2.Se4#
      • 1...Sxd2
        • 2.b4#
      • 1...Rc4
        • 2.Sxb3#
      • 1...Re6
        • 2.Rd5#
      • 1...Bd5
        • 2.Rxd5#
      • 1...Sg3
        • 2.Sg6#
      • 1...Sd6
        • 2.Rc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • R(i);S_CUTB(j)::R1(G)
    • B(j);N_GUARD::R1(G),XB(j)
    • B(j);N_GUARD::R1(G)
    • S(b);OGATE::P(A)
    • S(g);N_GUARD,S_CUTB(a)::B(I)+S(H)
    • S(g);S_CUTB(a),S_CUTR(i)::R(G)
  • Tries
    • Try
      • S(D);
      • Threat
        • S(D)
      • Vars
        • S(b);OGATE,XS(D)::P(A)
        • B(j);N_GUARD::R1(G),XB(j)
        • S(g);SBLOCK,S_CUTB(a),S_CUTR(i)::R(G)
      • Refutation
        • P(h);CHECK,XS(D)
    • Try
      • R(G);CHECK
      • Vars
        • R(i);N_GUARD,P_SPINR(i)::R1(G),XR(i)
      • Refutation
        • B(a);XR(G)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • S(b);OGATE,XS(D)::P(A)
      • R(c);N_GUARD,S_CUTB(j)::S(D),XS(b)
      • R(i);S_CUTB(j)::R1(G)
      • B(j);N_GUARD::R1(G),XB(j)
      • S(g);N_GUARD,S_CUTB(a)::B(I)+S(H)
      • S(g);SBLOCK,S_CUTB(a),S_CUTR(i)::R(G)
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