MESON Chess Problem Database

Problem Display
PID: 108306 (3b3K/6Q1/1P2p1N1/B2NP1p1/2p3R1/Rb1krp2/2p1pP2/8 w - - 0 1)

Froberg, Johan Hilding Laurentius

Hlas l'udu, 1990

3b3K/6Q1/1P2p1N1/B2NP1p1/2p3R1/Rb1krp2/2p1pP2/8

#2

10 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe5
      • 2.Sxe5#
  • Keys
    • 1.Qd7!
      • threat
        • 2.Sc3#
        • 2.Sxe3#
        • 2.Sf6#
        • 2.Sc7#
        • 2.Sde7#
      • 1...Bf6+
        • 2.Sxf6#
      • 1...Rxe5
        • 2.Sxe5#
      • 1...Bxb6
        • 2.Sxb6#
      • 1...exd5
        • 2.Qxd5#
      • 1...Re4
        • 2.Sdf4#
      • 1...c1Q
        • 2.Sxe3#
      • 1...c1S
        • 2.Sxe3#
      • 1...c1B
        • 2.Sxe3#
      • 1...c1R
        • 2.Sxe3#
      • 1...e1Q
        • 2.Sc3#
      • 1...e1S
        • 2.Sc3#
      • 1...e1B
        • 2.Sc3#
      • 1...e1R
        • 2.Sc3#
      • 1...c3
        • 2.Sb4#
      • 1...Bc7
        • 2.Sxc7#
      • 1...Be7
        • 2.Sdxe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 15
    • REMOVED MATES = 0
  • Sets
    • R(e);XP(F)::S(H),XR(e)
  • Actual
    • Q(I);
    • Threat
      • DUALS(5)
    • Vars
      • B(j);CHECK::QAR(I)+S(E),XB(j)
      • R(e);XP(F)::S(H),XR(e)
      • B(j);XP(G)::QAR(I)+S(E),XB(j)
      • P(i);OGATE,P_SPINP(i),XS(E)::QAR2(I),XP(i)
      • R(e);SBLOCK::QAR(I)+S(E),DCHECK
      • P(a);::QAR(I)+S(E),XR(e)
      • P(b);::QAR(I)+S(E)
      • P(g);N_SPINB(c),SBLOCK::QAR(I)+S(E),DCHECK
      • B(j);::QAR(I)+S(E),XB(j)
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