MESON Chess Problem Database

Problem Display
PID: 158630 (B7/1N2PK2/1BNp4/1n6/r1k2P2/n2p4/1Q6/4b3 w - - 0 1)

Animitsa, Khristofor Savvich

Thema Danicum, 1987

B7/1N2PK2/1BNp4/1n6/r1k2P2/n2p4/1Q6/4b3

#2

8 + 7

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Bc3
      • 2.Qa2#
    • 1...d5
      • 2.Se5#
  • Tries
    • 1.Se5+?
      • 1...Kd5
        • 2.Sa5#
      • 1...dxe5!
    • 1.Sc5?
      • threat
        • 2.Qb3#
      • 1...Kd5
        • 2.Sa5#
      • 1...dxc5
        • 2.Se5#
      • 1...Rb4
        • 2.Sa5#
      • 1...Sd4!
    • 1.Sxd6+?
      • 1...Kd5
        • 2.Qe5#
      • 1...Sxd6+!
  • Keys
    • 1.Sd4!
      • threat
        • 2.Qb3#
      • 1...Kd5
        • 2.Sa5#
      • 1...Sxd4
        • 2.Sxd6#
      • 1...Rb4
        • 2.Sa5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • B(a);SBLOCK::QAB(A)
    • P(g);N_GUARD,SBLOCK::S(D)
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(e);S_FLIGHT::B(H)+S(E)
      • Refutation
        • P(g);XS(D)
    • Try
      • S(E);
      • Threat
        • QAB1(A)
      • Vars
        • K(e);S_FLIGHT::B(H)+S(D)
        • P(g);N_GUARD,XS(E)::S(D)
        • R(d);N_GUARD,S_CUTB(a)::S(D)
      • Refutation
        • S(f);
    • Try
      • S(E);CHECK,XP(g)
      • Vars
        • K(e);S_FLIGHT::QAR1(A)
      • Refutation
        • S(f);CHECK,XS(E)
  • Actual
    • S(D);
    • Threat
      • QAB1(A)
    • Vars
      • K(e);S_FLIGHT::B(H)+S(E)
      • S(f);N_GUARD,XS(D)::S(E),XP(g)
      • R(d);N_GUARD,S_CUTB(a)::S(E)
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