MESON Chess Problem Database

Problem Display
PID: 96905 (3N4/B2P3Q/rn1p2R1/qpNkp3/Rn1P4/bP2p1K1/8/8 w - - 0 1)

Wright Wood, S (= Wood, SW)

The Chess Problem, 1942

3N4/B2P3Q/rn1p2R1/qpNkp3/Rn1P4/bP2p1K1/8/8

#2

10 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sa2
      • 2.Qg8#
      • 2.Qf7#
    • 1...Sc2
      • 2.Qg8#
      • 2.Qf7#
    • 1...Sd3
      • 2.Qg8#
      • 2.Qf7#
    • 1...Sc6
      • 2.Qg8#
      • 2.Qf7#
    • 1...exd4
      • 2.Rg5#
      • 2.Qh5#
  • Tries
    • 1.Rg4?
      • threat
        • 2.Qe4#
        • 2.Qg8#
        • 2.Qf7#
      • 1...exd4
        • 2.Rg5#
        • 2.Qf5#
        • 2.Qh5#
      • 1...e4
        • 2.Qxe4#
      • 1...dxc5!
    • 1.Qh1+?
      • 1...e4
        • 2.Qxe4#
      • 1...Kxd4!
    • 1.Qh4?
      • threat
        • 2.Qe4#
      • 1...exd4
        • 2.Rg5#
        • 2.Qg5#
        • 2.Qh5#
      • 1...e4
        • 2.Qxe4#
      • 1...dxc5!
  • Keys
    • 1.Se4!
      • threat
        • 2.Rxd6#
      • 1...Kxd4
        • 2.Rxd6#
      • 1...Kxe4
        • 2.Rxd6#
      • 1...Sxa4
        • 2.Sf6#
      • 1...Sxd7
        • 2.Sc3#
      • 1...exd4
        • 2.Rg5#
      • 1...Sa2
        • 2.Sf6#
      • 1...Sc2
        • 2.Sf6#
      • 1...Sd3
        • 2.Sf6#
      • 1...Sc6
        • 2.Sf6#
      • 1...Sc4
        • 2.Sc3#
        • 2.Sf6#
      • 1...Sa8
        • 2.Sc3#
        • 2.Sf6#
      • 1...Sc8
        • 2.Sc3#
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(F);
      • Threat
        • DUALS(3)
      • Vars
        • P(g);::QAB1(I),XP(g)
      • Refutation
        • P(j);XS(E)
    • Try
      • Q(I);CHECK
      • Vars
        • P(g);P_SPINP(g)::QAB1(I),XP(g)
      • Refutation
        • K(f);P-FLIGHT,P_SPINS(c),XP(D)
    • Try
      • Q(I);
      • Threat
        • QAB1(I)
      • Vars
        • P(g);::QAB1(I),XP(g)
      • Refutation
        • P(j);XS(E)
  • Actual
    • S(E);
    • Threat
      • R1(F),XP(j)
    • Vars
      • K(f);P-FLIGHT,P_SPINS(c),XP(D)::R(F),XP(j)
      • K(f);S_FLIGHT,XS(E)::QAB(I)+R(F),XP(j)
      • S(i);XR(C)::S(E)
      • S(i);XP(H)::S(E)
      • P(g);OGATEB,SBLOCK,XP(D)::R(F)
      • S(c);::S(E)
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