MESON Chess Problem Database

Problem Display
PID: 142435 (4q3/2P1pP2/1npb4/n2k1NNR/5P2/1PQrPK1B/8/8 w - - 0 1)

Tott, B

Daily News, 1923

(First published on Sat Feb 24 1923)

4q3/2P1pP2/1npb4/n2k1NNR/5P2/1PQrPK1B/8/8

#2

11 + 8

14868 Pirnie Collection 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Rd1
      • 2.e4#
    • 1...Rd2
      • 2.e4#
    • 1...Rxe3+
      • 2.Sxe3#
    • 1...Rd4
      • 2.Qxd4#
    • 1...Ba3
      • 2.Qe5#
    • 1...Bb4
      • 2.Qe5#
    • 1...Bc5
      • 2.Qe5#
    • 1...Be5
      • 2.Qxe5#
  • Tries
    • 1.Sxe7+?
      • 1...Bxe7
        • 2.Qe5#
      • 1...Qxe7!
    • 1.Se4?
      • threat
        • 2.Sxe7#
      • 1...Rxe3+
        • 2.Sxe3#
      • 1...Ke6
        • 2.Sfxd6#
        • 2.Sh6#
      • 1...Be5
        • 2.Qxe5#
      • 1...e6
        • 2.Sf6#
        • 2.Se7#
        • 2.Qxd3#
      • 1...e5!
  • Keys
    • 1.Se6!
      • threat
        • 2.Sxe7#
      • 1...Rxe3+
        • 2.Sxe3#
      • 1...Kxe6
        • 2.Sh6#
      • 1...Bxf4
        • 2.Sxf4#
      • 1...Bxc7
        • 2.Sxc7#
      • 1...Ba3
        • 2.Qe5#
      • 1...Bb4
        • 2.Qe5#
      • 1...Bc5
        • 2.Qe5#
      • 1...Be5
        • 2.Qxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • R(a);N_PINP(C)::P(C)
    • R(a);CHECK,XP(C)::S(G),XR(a)
    • R(a);N_GUARD,N_PINP(C)::QAR1(B),XR(a)
    • B(f);N_GUARD::QAR1(B)
    • B(f);N_GUARD,SBLOCK::QAR1(B)
    • B(f);N_GUARD::QAR1(B),XB(f)
  • Tries
    • Try
      • S(G);CHECK,XP(g)
      • Vars
        • B(f);XS(G)::QAR1(B)
      • Refutation
        • Q(h);XS(G)
    • Try
      • S(H);
      • Threat
        • R(I)+S(G),DCHECK,XP(g)
      • Vars
        • R(a);CHECK,XP(C)::R(I)+S(G),DCHECK,XR(a)
        • B(f);N_GUARD::QAR1(B),XB(f)
      • Refutation
        • P(g);
  • Actual
    • S(H);
    • Threat
      • R(I)+S(G),DCHECK,XP(g)
    • Vars
      • R(a);CHECK,XP(C)::R(I)+S(G),DCHECK,XR(a)
      • K(c);S_FLIGHT,XS(H)::B(E)+S(G)
      • B(f);XP(F)::S(H),XB(f)
      • B(f);XP(J)::S(H),XB(f)
      • B(f);N_GUARD::QAR1(B)
      • B(f);N_GUARD::QAR1(B),XB(f)
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