Meson Chess Problem Database

Magini, Fabio

Szachy, 1976

10 + 5

6490	yacpdb	2022

Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
Sets
- R(d);N_GUARD::S(H),XP(c)
- P(c);SBLOCK::B(C)
Tries
- Try
  - K(E);S_FLIGHT
  - Vars
    - R(d);CHECK,OGATE,P_SPINR(d),XP(G)::QAB(J),XR(d)
    - R(d);N_GUARD::S(H),XP(c)
    - R(d);N_GUARD,N_SPINP(b)::QAR(J)
  - Refutation
    - R(d);CHECK
- Try
  - S(H);CHECK
  - Vars
    - K(a);N_SPINP(b),S_CUTP(c),S_FLIGHT::QAB(J)
  - Refutation
    - P(c);XS(H)
- Try
  - B(C);CHECK
  - Vars
    - K(a);N_GUARD,N_SPINP(b),S_FLIGHT::QAB(J)
  - Refutation
    - K(a);N_SPINP(b),S_FLIGHT,XB(C)
- Try
  - Q(J);
  - Threat
    - QAB(J)
  - Vars
    - R(d);CHECK,N_GUARD::QAR1(J),XR(d)
    - R(d);N_GUARD::S(H),XP(c)
  - Refutation
    - K(a);N_SPINP(b),S_FLIGHT
- Try
  - Q(J);
  - Vars
    - K(a);N_SPINP(b),S_CUTR(d),S_FLIGHT::QAR2(J)
    - R(d);N_GUARD,XP(G)::QAB1(J)
    - R(d);N_GUARD,N_SPINP(b)::QAB1(J)
    - R(d);N_GUARD::S(H),XP(c)
    - P(c);SBLOCK::B(C)
  - Refutation
    - R(d);CHECK
- Try
  - P(A);CHECK
  - Vars
    - K(a);N_GUARD,N_SPINP(b),S_FLIGHT::QAB(J)
  - Refutation
    - K(a);P-FLIGHT,XB(D)
Actual
- Q(J);
- Vars
  - R(d);CHECK,OGATE::QAR1(J),XR(d)
  - K(a);N_SPINP(b),P_SPINR(d),S_FLIGHT::S(H),XP(c)
  - R(d);N_GUARD,XQ(J)::S(H),XP(c)
  - R(d);N_SPINP(b),OGATE::QAB1(J)
  - R(d);N_GUARD::S(H),XP(c)
  - P(c);SBLOCK::B(C)

MESON Chess Problem Database