MESON Chess Problem Database

Problem Display
PID: 165498 (1B5n/2r2P1K/1p4p1/1p2k1P1/3rNN2/2Q3P1/8/1B6 w - - 0 1)

Anonymous

British Chess Magazine 15. (Healey MT) Ty., 1909-1910

1B5n/2r2P1K/1p4p1/1p2k1P1/3rNN2/2Q3P1/8/1B6

#2

9 + 7

SOLUTION

  • SOUND
  • Tries
    • 1.Sd2?
      • threat
        • 2.Bxc7#
      • 1...Kd6
        • 2.Qxc7#
      • 1...Sxf7!
    • 1.Sf2?
      • threat
        • 2.Bxc7#
      • 1...Kd6
        • 2.Qxc7#
      • 1...Sxf7!
    • 1.Sf6?
      • threat
        • 2.Bxc7#
      • 1...Kd6
        • 2.Qxc7#
      • 1...Sxf7!
    • 1.Qc5+?
      • 1...Rd5
        • 2.Qxd5#
      • 1...bxc5!
    • 1.g4?
      • threat
        • 2.Bxc7#
      • 1...Kxf4
        • 2.Qg3#
      • 1...Sxf7!
  • Keys
    • 1.Sd6!
      • 1...Rxf7+
        • 2.Sxf7#
      • 1...Kxd6
        • 2.Qxc7#
      • 1...Rxc3
        • 2.Sc4#
      • 1...Sxf7
        • 2.Sxf7#
      • 1...Rc4
        • 2.Sxc4#
      • 1...Rc5
        • 2.Sc4#
      • 1...Rc6
        • 2.Sc4#
      • 1...Ra7
        • 2.Sc4#
        • 2.Sb7#
      • 1...Rb7
        • 2.Sc4#
        • 2.Sxb7#
      • 1...Rd7
        • 2.Sc4#
      • 1...Re7
        • 2.Sc4#
      • 1...Rc8
        • 2.Sc4#
        • 2.Sxc8#
      • 1...b4
        • 2.Sc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Threat
        • B(I),XR(f)
      • Vars
        • K(c);N_SPINR(a),P_SPINR(f),S_FLIGHT::QAB1(B),XR(f)
      • Refutation
        • S(g);XP(G)
    • Try
      • S(D);
      • Threat
        • B(I),XR(f)
      • Vars
        • K(c);N_SPINR(a),P_SPINR(f),S_FLIGHT::QAB1(B),XR(f)
      • Refutation
        • S(g);XP(G)
    • Try
      • S(D);
      • Threat
        • B(I),XR(f)
      • Vars
        • K(c);N_SPINR(a),P_SPINR(f),S_FLIGHT::QAB1(B),XR(f)
      • Refutation
        • S(g);XP(G)
    • Try
      • Q(B);CHECK,N_PINR(a),P_PINR(f)
      • Vars
        • R(a);N_GUARD,N_SPINR(f),P_SPINR(a)::QAR1(B),XR(a)
      • Refutation
        • P(d);XQ(B)
    • Try
      • P(C);
      • Threat
        • B(I),XR(f)
      • Vars
        • K(c);N_SPINR(a),OGATEB,P_SPINR(f),S_FLIGHT,XS(E)::QAB1(B)
      • Refutation
        • S(g);XP(G)
  • Actual
    • S(D);
    • Vars
      • R(f);CHECK,XP(G)::B(I)+S(D),DCHECK,XR(f)
      • K(c);N_SPINR(a),OGATEB,P_SPINR(f),S_FLIGHT,XS(D)::QAB1(B),XR(f)
      • R(f);N_PINP(G),N_SPINR(a),XQ(B)::B(I)+S(D),DCHECK
      • S(g);XP(G)::S(D),XS(g)
      • R(f);N_PINP(G)::B(I)+S(D),DCHECK,XR(f)
      • R(f);N_PINP(G)::B(I)+S(D),DCHECK
      • R(f);::B(I)+S(D),DCHECK
      • P(b);N_GUARD::S(D)
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