MESON Chess Problem Database

Problem Display
PID: 222520 (2q5/3pN1N1/1R1P2B1/p5Rr/2k2p1r/4p3/KQ3P2/4bb2 w - - 0 1)

Cooke, Reginald B

British Chess Magazine, 1930

2q5/3pN1N1/1R1P2B1/p5Rr/2k2p1r/4p3/KQ3P2/4bb2

#2

9 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Bd3
      • 2.Bf7#
  • Tries
    • 1.Sgf5?
      • threat
        • 2.Qd4#
      • 1...Kd3
        • 2.Sxe3#
      • 1...Kc5
        • 2.Qd4#
      • 1...Qc5
        • 2.Qb3#
      • 1...Bc3
        • 2.Qb5#
      • 1...f3
        • 2.Sxe3#
      • 1...Qh8!
    • 1.Se6?
      • threat
        • 2.Qd4#
        • 2.Qb3#
      • 1...Qc5
        • 2.Qb3#
      • 1...Qh8
        • 2.Qb3#
      • 1...Bc3
        • 2.Qb3#
        • 2.Qb5#
      • 1...f3
        • 2.Qb3#
      • 1...a4
        • 2.Qd4#
      • 1...dxe6!
    • 1.Rd5?
      • threat
        • 2.Qd4#
        • 2.Qb3#
      • 1...Qc5
        • 2.Qb3#
      • 1...Bc3
        • 2.Qb3#
        • 2.Qb5#
      • 1...f3
        • 2.Qb3#
      • 1...a4
        • 2.Qd4#
      • 1...Rxd5!
  • Keys
    • 1.Sef5!
      • threat
        • 2.Qd4#
      • 1...Kd3
        • 2.Sxe3#
      • 1...Kc5
        • 2.Qd4#
      • 1...Kd5
        • 2.Sxe3#
        • 2.Qd4#
      • 1...Qc5
        • 2.Qb3#
      • 1...Bc3
        • 2.Qb5#
      • 1...f3
        • 2.Sxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • B(b);SBLOCK::B(G)
  • Tries
    • Try
      • S(I);
      • Threat
        • QAR1(B)
      • Vars
        • K(d);S_FLIGHT::B(G)+S(I),XP(c)
        • K(d);P-FLIGHT::QAB1(B)
        • Q(j);SBLOCK::QAB1(B)
        • B(a);SBLOCK::QAB1(B)
        • P(e);N_GUARD::S(I),XP(c)
      • Refutation
        • Q(j);
    • Try
      • S(I);
      • Threat
        • DUALS(2)
      • Vars
        • Q(j);::QAB1(B)
        • P(e);::QAB1(B)
        • P(g);::QAR1(B)
      • Refutation
        • P(i);XS(I)
    • Try
      • R(D);
      • Threat
        • DUALS(2)
      • Vars
        • Q(j);::QAB1(B)
        • P(e);::QAB1(B)
        • P(g);::QAR1(B)
      • Refutation
        • R(h);XR(D)
  • Actual
    • S(H);
    • Threat
      • QAR1(B)
    • Vars
      • K(d);S_FLIGHT::B(G)+S(H),XP(c)
      • K(d);P-FLIGHT::QAB1(B)
      • Q(j);SBLOCK::QAB1(B)
      • B(a);SBLOCK::QAB1(B)
      • P(e);N_GUARD::S(H),XP(c)
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