Meson Chess Problem Database

Chicco, Adriano

Il Problema, 1933

10 + 4

15601	Albrecht-Leiss-Degener Collection	2023

Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 5
Sets
- K(b);P-FLIGHT,S_CUTR(c)::PXR(d)=Q
- K(b);P-FLIGHT,S_CUTR(d),XP(E)::PXR(c)=Q
- R(c);N_GUARD::PXR(d)=Q
- R(d);N_GUARD,XP(E)::PXR(c)=Q
Tries
- Try
  - S(D);CHECK
  - Vars
    - R(c);P_SPINR(c)::PXR(d)=Q
  - Refutation
    - K(b);P-FLIGHT
- Try
  - S(D);CHECK
  - Vars
    - R(c);P_SPINR(c)::PXR(d)=Q
  - Refutation
    - K(b);P-FLIGHT
- Try
  - S(D);CHECK
  - Vars
    - R(c);P_SPINR(c)::PXR(d)=Q
  - Refutation
    - K(b);P-FLIGHT,XS(D)
- Try
  - S(D);CHECK
  - Vars
    - R(c);P_SPINR(c)::PXR(d)=Q
  - Refutation
    - K(b);P-FLIGHT
- Try
  - Q(C);CHECK
  - Vars
    - K(b);P-FLIGHT,XP(E)::PXR(c)=Q
    - R(c);P_SPINR(c)::PXR(d)=Q
  - Refutation
    - S(a);XQ(C)
- Try
  - P(G);CHECK,XR(c)
  - Vars
    - K(b);N_GUARD,P-FLIGHT::QAB(C)
  - Refutation
    - K(b);P-FLIGHT,XP(E)
- Try
  - P(G);CHECK,XR(c)
  - Vars
    - K(b);P-FLIGHT,S_CUTR(d)::QAB(C)
  - Refutation
    - R(d);XR(J)
- Try
  - P(G);CHECK,XR(d)
  - Vars
    - K(b);N_GUARD,P-FLIGHT::QAB(C)
  - Refutation
    - K(b);P-FLIGHT,XP(E)
- Try
  - P(G);CHECK,XR(d)
  - Vars
    - K(b);P-FLIGHT,S_CUTR(c)::QAB(C)
  - Refutation
    - R(c);XR(J)
Actual
- R(H);
- Threat
  - QAR(C)+S(D),DCHECK,XR(c)
- Vars
  - K(b);N_GUARD,P-FLIGHT,S_CUTR(d)::PXR(c)=Q
  - K(b);P-FLIGHT,S_CUTR(c),XP(E)::PXR(d)=Q
  - K(b);S_CUTR(c),S_FLIGHT::PXR(d)=Q
  - R(c);N_GUARD,XS(I)::QAR(C)+S(D)
  - R(c);N_GUARD::PXR(d)=Q
  - R(c);::QAR(C)+S(D),DCHECK

MESON Chess Problem Database