Meson Chess Problem Database

Antonov, Yuri Mikhailovich

Hlas l'udu, 1981

8 + 6

3752	FIDE Album (1980-1982)	1988

Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 6
- ADDED MATES = 3
- REMOVED MATES = 0
Sets
- S(b);N_GUARD::R(G)
- S(b);N_GUARD,N_SPINP(a),XR(C)::R(G)
- S(b);N_GUARD::R(G),XS(b)
- P(d);N_GUARD::R1(C),XP(a)
Tries
- Try
  - S(F);CHECK
  - Vars
    - K(c);P-FLIGHT::S(E)
  - Refutation
    - P(d);XS(F)
- Try
  - B(B);
  - Vars
    - K(c);P-FLIGHT::R(C),XP(a)
    - S(b);N_GUARD,N_SPINP(a),XR(C)::R(G)
    - S(b);N_GUARD::R(G)
    - S(b);N_GUARD::R(G),XS(b)
    - P(d);::S(F)
  - Refutation
    - S(b);
- Try
  - R(G);
  - Threat
    - S(F)
  - Vars
    - P(d);N_GUARD::R1(C),XP(a)
  - Refutation
    - P(f);XR(G)
- Try
  - R(G);XP(f)
  - Vars
    - S(b);OGATE,XR(G)::QAB1(A)
    - S(b);OGATE::QAB1(A)
    - P(d);N_GUARD::R1(C),XP(a)
  - Refutation
    - K(c);P-FLIGHT
- Try
  - Q(A);CHECK
  - Vars
    - K(c);P-FLIGHT::S(E)
  - Refutation
    - S(b);P_SPINS(b)
- Try
  - Q(A);CHECK
  - Vars
    - K(c);P-FLIGHT::S(E)
  - Refutation
    - K(c);N_SPINP(a),P_SPINS(b),S_FLIGHT,XQ(A)
Actual
- Q(A);
- Vars
  - K(c);N_SPINP(a),P_SPINS(b),S_FLIGHT::QAB1(A)
  - K(c);P-FLIGHT,P_SPINS(b)::R1(G)
  - S(b);N_SPINP(a),XR(C)::S(F)
  - S(b);::S(F)
  - P(d);N_GUARD::R1(C),XP(a)

MESON Chess Problem Database