MESON Chess Problem Database

Problem Display
PID: 99879 (2r5/1N2p3/Q6r/N2kB2p/3nR3/4R3/b1n5/7K w - - 0 1)

Kopaev, Viacheslav Georgievich

Lobusov, Andrey Jakovlevic

Magyar Sakkelet, 1986

2r5/1N2p3/Q6r/N2kB2p/3nR3/4R3/b1n5/7K

#2

7 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sa1
      • 2.Rxd4#
    • 1...Se1
      • 2.Rxd4#
    • 1...Sa3
      • 2.Rxd4#
    • 1...Sb4
      • 2.Rxd4#
    • 1...e6
      • 2.Qd6#
  • Tries
    • 1.Bc7?
      • threat
        • 2.Re5#
      • 1...Se2
        • 2.Qb5#
      • 1...Sb3
        • 2.Qc4#
      • 1...Sf3
        • 2.Qb5#
      • 1...Sb5
        • 2.Qxb5#
      • 1...Sf5
        • 2.Qb5#
      • 1...Sc6
        • 2.Qb5#
      • 1...Se6
        • 2.Qc6#
      • 1...e5
        • 2.Rxe5#
      • 1...Re6!
  • Keys
    • 1.Bf6!
      • threat
        • 2.Re5#
      • 1...exf6
        • 2.Qd6#
      • 1...Se2
        • 2.Qe6#
      • 1...Sb3
        • 2.Qe6#
      • 1...Sf3
        • 2.Qe6#
      • 1...Sb5
        • 2.Qe6#
      • 1...Sf5
        • 2.Qe6#
      • 1...Sc6
        • 2.Qb5#
      • 1...Se6
        • 2.Qxe6#
      • 1...e5
        • 2.Rxe5#
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 5
  • Sets
    • S(b);N_GUARD::R1(C),XS(c)
    • P(g);N_GUARD,S_CUTR(f)::QAR1(F)
  • Tries
    • Try
      • B(E);
      • Threat
        • R1(C)
      • Vars
        • S(c);N_GUARD::QAR2(F)
        • S(c);S_CUTB(a)::QAB1(F)
        • S(c);N_GUARD::QAR2(F),XS(c)
        • S(c);N_GUARD,S_CUTR(f)::QAB1(F)
        • P(g);::R1(C),XP(g)
      • Refutation
        • R(f);
  • Actual
    • B(E);
    • Threat
      • R1(C)
    • Vars
      • P(g);N_GUARD,XB(E)::QAR1(F)
      • S(c);N_GUARD::QAB1(F)
      • S(c);N_GUARD,S_CUTR(h)::QAR2(F)
      • S(c);N_GUARD::QAB1(F),XS(c)
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