MESON Chess Problem Database

Problem Display
PID: 108414 (3K4/8/1n1kp1N1/1r1P3R/6R1/N1n2b2/5Q2/2r5 w - - 0 1)

Henrych, Miroslav

Zemedelske noviny, 1998

3K4/8/1n1kp1N1/1r1P3R/6R1/N1n2b2/5Q2/2r5

#2

7 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ra5
      • 2.Qxb6#
    • 1...Rxd5
      • 2.Qxb6#
    • 1...Bd1
      • 2.Qf8#
    • 1...Bh1
      • 2.Qf8#
    • 1...Be2
      • 2.Qf8#
    • 1...Bg2
      • 2.Qf8#
    • 1...Be4
      • 2.Qf8#
    • 1...Bxg4
      • 2.Qf8#
    • 1...Sb1
      • 2.Sxb5#
    • 1...Sd1
      • 2.Sxb5#
    • 1...Sa2
      • 2.Sxb5#
    • 1...Se2
      • 2.Sxb5#
    • 1...Sca4
      • 2.Sxb5#
    • 1...Se4
      • 2.Sxb5#
    • 1...Sba4
      • 2.Sc4#
    • 1...Sc4
      • 2.Sxc4#
    • 1...Sd7
      • 2.Sc4#
    • 1...Sa8
      • 2.Sc4#
    • 1...Sc8
      • 2.Sc4#
  • Tries
    • 1.Qg3+?
      • 1...Kc5
        • 2.Qc7#
      • 1...e5!
    • 1.Qh2+?
      • 1...Kc5
        • 2.Qc7#
      • 1...e5!
  • Keys
    • 1.Se5!
      • threat
        • 2.Sf7#
      • 1...Kxd5
        • 2.Qd4#
      • 1...Rxd5
        • 2.Qxb6#
      • 1...Bxd5
        • 2.Qf8#
      • 1...Scxd5
        • 2.Sxb5#
      • 1...Sbxd5
        • 2.Sac4#
      • 1...exd5
        • 2.Rg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 18
  • Sets
    • R(d);N_GUARD::QAR2(A),XS(e)
    • R(d);N_GUARD,XP(D)::QAR2(A),XS(e)
    • B(c);OGATE::QAB(A)
    • B(c);OGATE,XR(C)::QAB(A)
    • S(b);N_GUARD::S(B),XR(d)
    • S(e);N_GUARD::S(B)
    • S(e);N_GUARD::S(B),XS(e)
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(f);OGATE,S_FLIGHT::QAR2(A)
      • Refutation
        • P(g);P_SPINP(g)
    • Try
      • Q(A);CHECK
      • Vars
        • K(f);OGATE,S_FLIGHT::QAR2(A)
      • Refutation
        • P(g);P_SPINP(g)
  • Actual
    • S(F);
    • Threat
      • S(F)
    • Vars
      • K(f);OGATEB,P-FLIGHT,XP(D)::QAR1(A)
      • R(d);N_GUARD,SBLOCK,XP(D)::QAR2(A),XS(e)
      • B(c);OGATE,SBLOCK,XP(D)::QAB(A)
      • S(b);N_GUARD,SBLOCK,XP(D)::S(B),XR(d)
      • S(e);N_GUARD,SBLOCK,XP(D)::S(B)
      • P(g);OGATEB,SBLOCK,XP(D)::R(C)
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