MESON Chess Problem Database

Problem Display
PID: 76433 (B3N3/3npN2/p3p3/R1b1pnR1/P2k3p/3P2rp/4P1pB/2Q3K1 w - - 0 1)

de Segundo, Edward Carstensen

The Tablet, 1930

(First published on Sat Aug 23 1930)

B3N3/3npN2/p3p3/R1b1pnR1/P2k3p/3P2rp/4P1pB/2Q3K1

#2

11 + 12

15239 Valois Notebooks 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Re3
      • 2.Qb2#
      • 2.Qa1#
      • 2.Qc4#
    • 1...Se3
      • 2.Qb2#
      • 2.Qa1#
    • 1...Sb6
      • 2.Qxc5#
    • 1...Sf6
      • 2.Qxc5#
    • 1...Sb8
      • 2.Qxc5#
    • 1...Sf8
      • 2.Qxc5#
  • Tries
    • 1.Sc7?
      • threat
        • 2.Sxe6#
      • 1...Sf8
        • 2.Qxc5#
      • 1...Sg7!
    • 1.Sg7?
      • threat
        • 2.Sxe6#
      • 1...Sf8
        • 2.Qxc5#
      • 1...Sxg7!
    • 1.Rg4+?
      • 1...e4
        • 2.Rxe4#
      • 1...Rxg4!
  • Keys
    • 1.Sxe5!
      • 1...Kxe5+
        • 2.Qe3#
      • 1...Rxd3
        • 2.Rg4#
      • 1...Rxg5
        • 2.Sf3#
      • 1...Sxe5
        • 2.Qxc5#
      • 1...Re3
        • 2.Qb2#
        • 2.Qa1#
        • 2.Qc4#
      • 1...Rf3
        • 2.Sxf3#
      • 1...Rg4
        • 2.Sf3#
        • 2.Rxg4#
      • 1...Ba3
        • 2.Sc6#
      • 1...Bb4
        • 2.Sc6#
      • 1...Bb6
        • 2.Sc6#
      • 1...Bd6
        • 2.Sc6#
      • 1...Ba7
        • 2.Sc6#
      • 1...Se3
        • 2.Sc6#
        • 2.Qb2#
        • 2.Qa1#
      • 1...Sd6
        • 2.Sc6#
      • 1...Sh6
        • 2.Sc6#
      • 1...Sg7
        • 2.Sc6#
      • 1...Sb6
        • 2.Qxc5#
      • 1...Sf6
        • 2.Qxc5#
      • 1...Sb8
        • 2.Qxc5#
      • 1...Sf8
        • 2.Qxc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 0
  • Sets
    • S(k);N_GUARD::QAB1(A),XB(f)
  • Tries
    • Try
      • S(K);
      • Threat
        • S(K),XP(j)
      • Vars
        • S(k);N_GUARD::QAB1(A),XB(f)
      • Refutation
        • S(h);
    • Try
      • S(K);
      • Threat
        • S(K),XP(j)
      • Vars
        • S(k);N_GUARD::QAB1(A),XB(f)
      • Refutation
        • S(h);XS(K)
    • Try
      • R(H);CHECK
      • Vars
        • P(g);P_SPINP(g)::R1(H),XP(g)
      • Refutation
        • R(b);XR(H)
  • Actual
    • S(I);XP(g)
    • Vars
      • K(d);CHECK,P_SPINB(f),P_SPINR(b),P_SPINS(h),S_FLIGHT,XS(I)::QAR2(A)
      • R(b);N_GUARD,XP(E)::R(H)
      • R(b);N_GUARD,XR(H)::S(I)
      • S(k);N_GUARD,XS(I)::QAB1(A),XB(f)
      • R(b);N_GUARD::S(I),XR(b)
      • B(f);::S(I)
      • S(h);::S(I)
      • S(k);N_GUARD::QAB1(A),XB(f)
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