Meson Chess Problem Database

Andrew, Frederick William

Stoke Newington Recorder, 0000

6 + 8

15351	SCPF/BCPS Black Books	2017

Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
Sets
- K(f);P-FLIGHT::QAR2(F)
- R(c);::B(A)+R(B),DCHECK,XP(e)
- R(c);XP(D)::B(A)+R(B),DCHECK,XP(e)
- R(c);SBLOCK::QAB(F)
- P(g);OGATEB,SBLOCK::QAB(F)
Tries
- Try
  - R(B);P_PINR(c)
  - Threat
    - R(B)
  - Vars
    - K(f);N_SPINR(c),P-FLIGHT::QAR2(F)
    - P(g);OGATEB,SBLOCK::QAB(F)
  - Refutation
    - P(a);XR(C)
- Try
  - R(B);CHECK,P_PINR(c),XP(e)
  - Vars
    - P(g);P_SPINP(g),S_CUTB(b)::QAB(F)
  - Refutation
    - B(b);XR(B)
- Try
  - Q(F);CHECK
  - Vars
    - R(c);P_SPINR(c),S_CUTP(g)::B(A)+R(B)
  - Refutation
    - P(g);P_SPINP(g)
- Try
  - Q(F);P_PINP(h)
  - Threat
    - QAR2(F)
  - Vars
    - R(c);XP(D)::B(A)+R(B),DCHECK,XP(e)
    - R(c);::B(A)+R(B),DCHECK,XP(e)
    - P(g);OGATEB,SBLOCK::QAB(F)
  - Refutation
    - K(f);N_SPINP(h),P-FLIGHT
Actual
- Q(F);
- Threat
  - QAR2(F)
- Vars
  - K(f);P-FLIGHT::QAR2(F)
  - R(c);XP(D)::B(A)+R(B),DCHECK,XP(e)
  - R(c);::B(A)+R(B),DCHECK,XP(e)
  - R(c);SBLOCK::QAB(F)
  - P(g);SBLOCK::QAB(F)

MESON Chess Problem Database