MESON Chess Problem Database

Problem Display
PID: 69687 (3K2N1/5Pq1/2kB2P1/1pP2p2/b3R3/1P6/8/1Q6 w - - 0 1)

Fulpius, Jaques

Journal de Geneve, 1980

3K2N1/5Pq1/2kB2P1/1pP2p2/b3R3/1P6/8/1Q6

#2

9 + 5

136 Problem Observer 2006
136 Problem Observer 2007
5454 Near Snap 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Se7#
    • 1...fxe4
      • 2.Qxe4#
  • Keys
    • 1.Qh1!
      • threat
        • 2.Re1#
        • 2.Re2#
        • 2.Re3#
        • 2.Rxa4#
        • 2.Rb4#
        • 2.Rc4#
        • 2.Rd4#
        • 2.Rf4#
        • 2.Rg4#
        • 2.Rh4#
        • 2.Re5#
        • 2.Re6#
        • 2.Re7#
        • 2.Re8#
      • 1...Qf6+
        • 2.Re7#
      • 1...Qf8+
        • 2.Re8#
      • 1...Qxg8+
        • 2.Re8#
      • 1...Kd5
        • 2.Se7#
      • 1...Kb7
        • 2.Rxa4#
      • 1...Qxg6
        • 2.Rg4#
      • 1...Qxf7
        • 2.Re6#
      • 1...Bxb3
        • 2.Rc4#
      • 1...fxe4
        • 2.Qxe4#
      • 1...b4
        • 2.Rxb4#
      • 1...Qa1
        • 2.Re1#
      • 1...Qb2
        • 2.Re2#
      • 1...Qc3
        • 2.Re3#
      • 1...Qd4
        • 2.Rxd4#
      • 1...Qe5
        • 2.Rxe5#
      • 1...Qh6
        • 2.Rh4#
      • 1...Qh8
        • 2.Rh4#
      • 1...Qh7
        • 2.Rh4#
      • 1...f4
        • 2.Rxf4#

Anticipated by 107891(1896)

This is after

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 17
    • REMOVED MATES = 0
  • Sets
    • K(d);S_FLIGHT::S(I)
    • P(c);OGATE,XR(C)::QAB(A),XP(c)
  • Actual
    • Q(A);
    • Threat
      • DUALS(14)
    • Vars
      • Q(e);CHECK::QAB(A)+R(C)
      • Q(e);CHECK,XS(I)::QAB(A)+R(C)
      • K(d);S_FLIGHT::S(I)
      • K(d);S_FLIGHT::QAB(A)+R(C),XB(a)
      • Q(e);XP(F)::QAB(A)+R(C)
      • Q(e);XP(G)::QAB(A)+R(C)
      • B(a);XP(B)::QAB(A)+R(C)
      • P(c);OGATE,P_SPINP(c),XR(C)::QAB(A),XP(c)
      • P(b);::QAB(A)+R(C),XP(b)
      • Q(e);::QAB(A)+R(C)
      • Q(e);P_PINB(E)::QAB(A)+R(C),XQ(e)
      • Q(e);::QAB(A)+R(C),XQ(e)
      • Q(e);P_PINS(I)::QAB(A)+R(C)
      • P(c);::QAB(A)+R(C),XP(c)
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