MESON Chess Problem Database

Problem Display
PID: 96466 (2Q4N/5q1P/R2b4/2pk4/2p4R/n1B5/5p2/5K2 w - - 0 1)

Kapros, Jorge Marcelo

Problemas, 1992

2Q4N/5q1P/R2b4/2pk4/2p4R/n1B5/5p2/5K2

#2

7 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qe6
      • 2.Qb7#
      • 2.Qc6#
      • 2.Qa8#
    • 1...Qg8
      • 2.Qxg8#
      • 2.hxg8Q#
      • 2.hxg8B#
    • 1...Bh2
      • 2.Qc6#
    • 1...Bg3
      • 2.Qc6#
    • 1...Bf4
      • 2.Qc6#
    • 1...Be5
      • 2.Qc6#
    • 1...Bc7
      • 2.Qb7#
      • 2.Qa8#
    • 1...Be7
      • 2.Qb7#
      • 2.Qc6#
      • 2.Qa8#
    • 1...Bb8
      • 2.Qc6#
    • 1...Bf8
      • 2.Qc6#
  • Tries
    • 1.Sxf7?
      • threat
        • 2.Rxd6#
      • 1...Bf4
        • 2.Qe6#
        • 2.Qb7#
        • 2.Qc6#
        • 2.Qa8#
      • 1...Bh2
        • 2.Qe6#
        • 2.Qb7#
        • 2.Qc6#
        • 2.Qa8#
      • 1...Bg3
        • 2.Qe6#
        • 2.Qb7#
        • 2.Qc6#
        • 2.Qa8#
      • 1...Be5
        • 2.Qe6#
        • 2.Qb7#
        • 2.Qc6#
        • 2.Qa8#
      • 1...Bc7
        • 2.Qe6#
        • 2.Qb7#
        • 2.Qa8#
      • 1...Be7
        • 2.Qf5#
        • 2.Qe6#
        • 2.Qb7#
        • 2.Qc6#
        • 2.Qa8#
      • 1...Bb8
        • 2.Qe6#
        • 2.Qb7#
        • 2.Qc6#
      • 1...Bf8
        • 2.Qf5#
        • 2.Qe6#
        • 2.Qb7#
        • 2.Qc6#
        • 2.Qa8#
      • 1...Sb5!
    • 1.Qf5+?
      • 1...Be5
        • 2.Qe4#
        • 2.Qxe5#
        • 2.Qxf7#
      • 1...Qxf5!
    • 1.Qb7+?
      • 1...Ke6
        • 2.Qxf7#
      • 1...Qxb7!
  • Keys
    • 1.Qg8!
      • threat
        • 2.Qxf7#
      • 1...Ke6
        • 2.Qxf7#
      • 1...Qxg8
        • 2.hxg8Q#
        • 2.hxg8B#
      • 1...Qe6
        • 2.Qa8#
      • 1...Bf4
        • 2.Qg2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • B(f);::QAB1(F)
  • Tries
    • Try
      • S(G);XQ(g)
      • Threat
        • R1(D),XB(f)
      • Refutation
        • S(b);
    • Try
      • Q(F);CHECK
      • Refutation
        • Q(g);XQ(F)
    • Try
      • Q(F);CHECK
      • Vars
        • K(e);P_SPINB(f),S_FLIGHT::QAB1(F),XQ(g)
      • Refutation
        • Q(g);XQ(F)
  • Actual
    • Q(F);P_PINQ(g)
    • Threat
      • QAB(F),XQ(g)
    • Vars
      • K(e);P_SPINB(f),S_FLIGHT::QAB1(F),XQ(g)
      • Q(g);N_SPINQ(g),OGATE,XQ(F)::PXQ(g)=Q
      • Q(g);N_GUARD,SBLOCK::QAB(F)
      • B(f);::QAB(F)
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