MESON Chess Problem Database

Problem Display
PID: 159879 (8/8/1p6/1K3N2/n1PNB3/P1kP4/Qn6/2Bb4 w - - 0 1)

Amirov, Talip Khasanovich

Die Schwalbe, 1966

8/8/1p6/1K3N2/n1PNB3/P1kP4/Qn6/2Bb4

#2

9 + 5

15148 Sadier Collection 2017
5454 Near Snap 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Bc2
      • 2.Se2#
    • 1...Be2
      • 2.Qb3#
    • 1...Bb3
      • 2.Qxb3#
    • 1...Bf3
      • 2.Qb3#
    • 1...Bg4
      • 2.Qb3#
    • 1...Bh5
      • 2.Qb3#
    • 1...Sxd3
      • 2.Bd2#
      • 2.Qd2#
    • 1...Sxc4
      • 2.Qxc4#
    • 1...Sc5
      • 2.Qxb2#
  • Tries
    • 1.Kc6?
      • 1...Sxd3
        • 2.Sb5#
        • 2.Bd2#
      • 1...Sxc4
        • 2.Sb5#
        • 2.Qxc4#
      • 1...Bc2
        • 2.Se2#
        • 2.Sb5#
      • 1...Be2
        • 2.Qb3#
      • 1...Bb3
        • 2.Qxb3#
      • 1...Bf3
        • 2.Qb3#
      • 1...Bg4
        • 2.Qb3#
      • 1...Bh5
        • 2.Qb3#
      • 1...Sc5
        • 2.Qxb2#
      • 1...b5!
    • 1.Se2+?
      • 1...Kc2
        • 2.Se3#
        • 2.Sfd4#
        • 2.d4#
      • 1...Bxe2!
    • 1.c5?
      • 1...Sxd3
        • 2.Bd2#
        • 2.Qc4#
        • 2.Qd2#
      • 1...Sxc5
        • 2.Qxb2#
      • 1...Bc2
        • 2.Se2#
      • 1...Be2
        • 2.Qb3#
      • 1...Bb3
        • 2.Qxb3#
      • 1...Bf3
        • 2.Qb3#
      • 1...Bg4
        • 2.Qb3#
      • 1...Bh5
        • 2.Qb3#
      • 1...Sc4
        • 2.Qxc4#
      • 1...bxc5!
  • Keys
    • 1.Qb1!
      • 1...Sxd3
        • 2.Qxd3#
      • 1...Sxc4
        • 2.Qb4#
      • 1...Sc5
        • 2.Qxb2#
      • 1...Bc2
        • 2.Qxc2#
      • 1...Be2
        • 2.Qc2#
      • 1...Bb3
        • 2.Se2#
      • 1...Bf3
        • 2.Qc2#
      • 1...Bg4
        • 2.Qc2#
      • 1...Bh5
        • 2.Qc2#

Anticipated by 110788(1959-1960)

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 7
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(a);N_GUARD,SBLOCK::S(F)
    • B(a);N_GUARD::QAR1(B)
    • B(a);N_GUARD::QAR1(B),XB(a)
    • S(b);OGATE,XP(E)::QAR1(B),XS(b)
    • S(d);N_GUARD::QAB1(B),XS(b)
  • Tries
    • Try
      • K(H);S_FLIGHT
      • Vars
        • B(a);N_GUARD::QAR1(B)
        • B(a);N_GUARD::QAR1(B),XB(a)
        • B(a);N_GUARD,P_PINB(G)::QAR1(B)
        • S(d);N_GUARD::QAB1(B),XS(b)
      • Refutation
        • P(e);
    • Try
      • S(F);CHECK
      • Refutation
        • B(a);XS(F)
    • Try
      • P(E);
      • Vars
        • S(d);N_GUARD,XP(E)::QAB1(B),XS(b)
        • B(a);N_GUARD,SBLOCK::S(F)
        • B(a);N_GUARD,P_PINP(D)::QAR1(B)
        • B(a);N_GUARD::QAR1(B),XB(a)
        • B(a);N_GUARD::QAR1(B)
        • S(b);N_GUARD::QAR1(B),XS(b)
      • Refutation
        • P(e);XP(E)
  • Actual
    • Q(B);
    • Vars
      • S(b);OGATE,XP(D)::QAR1(B),XS(b)
      • S(b);OGATE,XP(E)::QAB1(B)
      • S(d);N_GUARD::QAB1(B),XS(b)
      • B(a);N_GUARD::QAR1(B),XB(a)
      • B(a);N_GUARD::QAR1(B)
      • B(a);N_GUARD,SBLOCK::S(F)
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