MESON Chess Problem Database

Problem Display
PID: 147199 (8/3np3/2Qr1pp1/1K3p2/1pNk2p1/3pNPP1/1P6/4R3 w - - 0 1)

Dawson, Thomas Rayner

Yorkshire Weekly Post, 1907

(First published on Sat Aug 3 1907)

8/3np3/2Qr1pp1/1K3p2/1pNk2p1/3pNPP1/1P6/4R3

#2

8 + 10

15256 TRD Scrapbook 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Rd5+
      • 2.Qxd5#
    • 1...Re6
      • 2.Qd5#
    • 1...Sc5
      • 2.Qxc5#
    • 1...Se5
      • 2.Qc5#
    • 1...Sb6
      • 2.Qc5#
    • 1...Sb8
      • 2.Qc5#
    • 1...Sf8
      • 2.Qc5#
    • 1...f4
      • 2.Qe4#
    • 1...g5
      • 2.Sxf5#
    • 1...e5
      • 2.Qxd6#
    • 1...e6
      • 2.Qxd6#
  • Tries
    • 1.Sd2?
      • 1...Rd5+
        • 2.Qxd5#
      • 1...Ke5
        • 2.Sc2#
      • 1...gxf3
        • 2.Sxf3#
      • 1...Re6
        • 2.Qd5#
      • 1...Sc5
        • 2.Qxc5#
      • 1...Se5
        • 2.Sb3#
        • 2.Qc5#
      • 1...Sb6
        • 2.Qc5#
      • 1...Sb8
        • 2.Qc5#
      • 1...Sf8
        • 2.Qc5#
      • 1...b3
        • 2.Qc3#
      • 1...f4
        • 2.Qe4#
      • 1...g5
        • 2.Sxf5#
      • 1...e5
        • 2.Sb3#
        • 2.Qc4#
        • 2.Qxd6#
      • 1...e6
        • 2.Qxd6#
      • 1...Rxc6!
    • 1.Sxd6?
      • threat
        • 2.Qd5#
      • 1...Ke5
        • 2.Sc2#
        • 2.Sexf5#
        • 2.Qd5#
      • 1...Sb6
        • 2.Qc5#
      • 1...e6!
  • Keys
    • 1.Se5!
      • 1...Rd5+
        • 2.Qxd5#
      • 1...Kxe5
        • 2.Sc2#
      • 1...Rxc6
        • 2.Sxc6#
      • 1...Sxe5
        • 2.Qc5#
      • 1...gxf3
        • 2.Sxf3#
      • 1...fxe5
        • 2.Qc4#
      • 1...Re6
        • 2.Qd5#
      • 1...Sc5
        • 2.Qxc5#
      • 1...Sb6
        • 2.Qc5#
      • 1...Sb8
        • 2.Qc5#
      • 1...Sf8
        • 2.Qc5#
      • 1...d2
        • 2.Sc2#
      • 1...b3
        • 2.Qc3#
      • 1...f4
        • 2.Qe4#
      • 1...g5
        • 2.Sxf5#
      • 1...e6
        • 2.Qxd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 1
  • Sets
    • R(f);CHECK,N_GUARD::QAR1(H),XR(f)
    • R(f);N_GUARD::QAR1(H)
    • S(i);N_GUARD::QAB1(H),XS(i)
    • S(i);N_GUARD::QAB1(H)
    • P(e);N_GUARD::QAR1(H)
    • P(h);N_GUARD::S(C),XP(e)
    • P(j);N_GUARD::QAR2(H),XR(f)
  • Tries
    • Try
      • S(F);
      • Vars
        • R(f);CHECK,N_GUARD::QAR1(H),XR(f)
        • K(c);S_FLIGHT::R(A)+S(C)
        • P(d);XP(D)::S(F),XP(d)
        • R(f);N_GUARD::QAR1(H)
        • S(i);N_GUARD::QAB1(H),XS(i)
        • S(i);N_GUARD::QAB1(H)
        • P(b);N_GUARD::QAB1(H)
        • P(e);N_GUARD::QAR1(H)
        • P(h);N_GUARD::S(C),XP(e)
        • P(j);N_GUARD::QAR2(H),XR(f)
      • Refutation
        • R(f);XQ(H)
    • Try
      • S(F);XR(f)
      • Threat
        • QAR1(H)
      • Vars
        • S(i);N_GUARD::QAB1(H)
      • Refutation
        • P(j);
  • Actual
    • S(F);
    • Vars
      • R(f);CHECK,N_GUARD::QAR1(H),XR(f)
      • K(c);S_FLIGHT,XS(F)::R(A)+S(C)
      • R(f);XQ(H)::S(F),XR(f)
      • S(i);N_GUARD,XS(F)::QAB1(H)
      • P(d);XP(D)::S(F),XP(d)
      • P(g);SBLOCK,XS(F)::QAR1(H)
      • R(f);N_GUARD::QAR1(H)
      • S(i);N_GUARD::QAB1(H),XS(i)
      • S(i);N_GUARD::QAB1(H)
      • P(a);N_GUARD::S(C)
      • P(b);N_GUARD::QAB1(H)
      • P(e);N_GUARD::QAR1(H)
      • P(h);N_GUARD::S(C),XP(e)
      • P(j);N_GUARD::QAR2(H),XR(f)
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