MESON Chess Problem Database

Problem Display
PID: 110467 (1B4N1/1p2Q2N/q2p3P/1r3kpB/1r6/1n4Pn/4P3/3RK3 w - - 0 1)

Korponai, Jozsef

Tipografia TE, 1964

1B4N1/1p2Q2N/q2p3P/1r3kpB/1r6/1n4Pn/4P3/3RK3

#2

10 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Re4
      • 2.Qf6#
    • 1...Rd5
      • 2.Rxd5#
    • 1...Rb6
      • 2.Rd5#
    • 1...Sd4
      • 2.e4#
    • 1...Sc5
      • 2.Rd5#
    • 1...Sf4
      • 2.g4#
    • 1...d5
      • 2.Qe5#
  • Tries
    • 1.Qxg5+?
      • 1...Ke4
        • 2.Shf6#
        • 2.Sgf6#
        • 2.Bf3#
      • 1...Ke6
        • 2.Sf8#
      • 1...Sxg5!
  • Keys
    • 1.Sf8!
      • threat
        • 2.Qe6#
      • 1...Re5
        • 2.Qh7#
      • 1...Re4
        • 2.Qf6#
      • 1...Sd4
        • 2.e4#
      • 1...Sc5
        • 2.Rd5#
      • 1...Sf4
        • 2.g4#
      • 1...g4
        • 2.Bg6#
      • 1...d5
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • R(c);P_PINP(C),SBLOCK::QAR1(G)
    • R(d);N_GUARD::R(A),XR(d)
    • R(d);N_GUARD::R(A)
    • S(a);S_CUTR(c)::P(C)
    • S(a);S_CUTR(d)::R(A)
    • S(b);SBLOCK,S_CUTR(c)::P(D)
    • P(h);N_GUARD,S_CUTR(d)::QAR1(G)
  • Tries
    • Try
      • Q(G);CHECK,XP(f)
      • Vars
        • K(e);S_FLIGHT::S(H)
      • Refutation
        • S(b);XQ(G)
  • Actual
    • S(H);
    • Threat
      • QAB1(G)
    • Vars
      • R(d);P_PINP(C),SBLOCK::QAB(G)
      • R(c);P_PINP(C),SBLOCK::QAR1(G)
      • S(a);S_CUTR(c)::P(C)
      • S(a);S_CUTR(d)::R(A)
      • S(b);SBLOCK,S_CUTR(c)::P(D)
      • P(f);SBLOCK::B(E)
      • P(h);N_GUARD,S_CUTR(d)::QAR1(G)
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