MESON Chess Problem Database

Problem Display
PID: 85636 (4b3/4Bp1n/1N1Npp1R/1p1Pk3/Pp6/1p2K3/1P2n3/2Q5 w - - 0 1)

Pavlov, Mikhail Aleksandrovich

Revista Romana de Sah, 1986

4b3/4Bp1n/1N1Npp1R/1p1Pk3/Pp6/1p2K3/1P2n3/2Q5

#2

9 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Kxe2?
      • threat
        • 2.Qe3#
      • 1...Kd4
        • 2.Qe3#
      • 1...Sg5!
    • 1.Sd7+?
      • 1...Kxd5
        • 2.Qh1#
        • 2.Qc5#
      • 1...Bxd7!
    • 1.Qf1?
      • 1...bxa4
        • 2.Sdc4#
      • 1...exd5
        • 2.Qf5#
      • 1...Sg5
        • 2.Qxf6#
      • 1...Bc6
        • 2.Sxf7#
      • 1...Bd7
        • 2.Sxf7#
      • 1...Sc1
        • 2.Qf4#
      • 1...Sg1
        • 2.Qf4#
      • 1...Sc3
        • 2.Qf4#
      • 1...Sg3
        • 2.Qf4#
      • 1...Sd4
        • 2.Qf4#
      • 1...Sf4
        • 2.Qxf4#
      • 1...Sf8
        • 2.Qxf6#
      • 1...f5!
  • Keys
    • 1.Qc5!
      • 1...bxa4
        • 2.Sbc4#
      • 1...exd5
        • 2.Qxd5#
      • 1...Sg5
        • 2.Bxf6#
      • 1...Bc6
        • 2.dxc6#
      • 1...Bd7
        • 2.Sxd7#
      • 1...Sc1
        • 2.Qd4#
      • 1...Sg1
        • 2.Qd4#
      • 1...Sc3
        • 2.Qd4#
      • 1...Sg3
        • 2.Qd4#
      • 1...Sd4
        • 2.Qxd4#
      • 1...Sf4
        • 2.Qd4#
      • 1...Sf8
        • 2.Bxf6#
      • 1...f5
        • 2.dxe6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(C);P-FLIGHT,XS(a)
      • Threat
        • QAR2(A)
      • Vars
        • K(e);S_FLIGHT::QAB1(A)
      • Refutation
        • S(i);
    • Try
      • S(F);CHECK
      • Refutation
        • B(j);XS(F)
    • Try
      • Q(A);
      • Vars
        • P(d);N_GUARD,XP(D)::S(G)
        • P(f);N_GUARD,XP(E)::QAR1(A)
        • S(i);N_GUARD::QAB1(A),XP(g)
        • B(j);N_GUARD::S(G),XP(h)
        • S(a);N_GUARD::QAB1(A)
        • S(a);N_GUARD::QAB1(A),XS(a)
      • Refutation
        • P(g);
  • Actual
    • Q(A);
    • Vars
      • P(d);N_GUARD,XP(D)::S(F)
      • P(f);OGATE,P_SPINP(f),XP(E)::QAR1(A),XP(f)
      • S(i);N_GUARD::B(I),XP(g)
      • B(j);OGATE::QAR(A)+P(E),XB(j)
      • B(j);N_GUARD::S(F),XB(j)
      • S(a);N_GUARD::QAB1(A)
      • S(a);N_GUARD::QAB1(A),XS(a)
      • P(g);::QAR(A)+P(E),XP(f)
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