MESON Chess Problem Database

Problem Display
PID: 186273 (K7/4p3/2Q3Rp/R1npp2P/2r2k2/3pNqNp/3P1b2/7B w - - 0 1)

Kupper, Josef

idee & form, 2014

K7/4p3/2Q3Rp/R1npp2P/2r2k2/3pNqNp/3P1b2/7B

#2

9 + 11

15601 Albrecht-Leiss-Degener Collection 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Qd1
      • 2.Sxd5#
    • 1...Qe2
      • 2.Sxd5#
    • 1...Qe4
      • 2.Rg4#
    • 1...Qg4
      • 2.Rxg4#
    • 1...Qxh5
      • 2.Sxd5#
      • 2.Sxh5#
    • 1...Re4
      • 2.Sxd5#
    • 1...Se4
      • 2.Sxd5#
    • 1...d4
      • 2.Qxf3#
  • Keys
    • 1.Qxd5!
      • threat
        • 2.Qxf3#
      • 1...Qxd5+
        • 2.Sxd5#
      • 1...Qxh1
        • 2.Rg4#
      • 1...Qxh5
        • 2.Sxh5#
      • 1...Qxe3
        • 2.Qf7#
      • 1...Qxg3
        • 2.Qf7#
      • 1...Qg4
        • 2.Rxg4#
      • 1...Qd1
        • 2.Qf7#
      • 1...Qe2
        • 2.Qf7#
      • 1...Qg2
        • 2.Rg4#
      • 1...Qe4
        • 2.Rg4#
      • 1...Re4
        • 2.Qf7#
      • 1...Se4
        • 2.Qxe5#
      • 1...e4
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 4
    • ADDED MATES = 7
    • REMOVED MATES = 1
  • Sets
    • Q(c);N_GUARD::S(C),XP(h)
    • Q(c);N_GUARD::R1(H)
    • Q(c);N_GUARD::R1(H),XQ(c)
    • R(e);S_CUTQ(c)::S(C),XP(h)
    • S(g);S_CUTQ(c)::S(C),XP(h)
    • P(h);OGATE,P_PINQ(G)::QAR1(G),XQ(c)
  • Actual
    • Q(G);P_SPINQ(G),XP(h)
    • Threat
      • QAR1(G),XQ(c)
    • Vars
      • Q(c);CHECK,XQ(G)::S(C),XQ(c)
      • Q(c);N_GUARD,XB(A)::R1(H)
      • Q(c);N_PINQ(G),XP(F)::S(D),XQ(c)
      • Q(c);N_PINQ(G),XS(C)::QAR(G)
      • Q(c);N_PINQ(G),XS(D)::QAR(G)
      • Q(c);N_GUARD,N_PINQ(G)::R1(H),XQ(c)
      • Q(c);N_PINQ(G)::QAR(G)
      • Q(c);N_GUARD::R1(H)
      • R(e);N_PINQ(G)::QAR(G)
      • S(g);N_PINQ(G)::QAB1(G),XP(i)
      • P(i);N_PINQ(G)::QAR1(G)
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