Meson Chess Problem Database

Feldmann, Tibor (aka Florian, Tibor)

Schackvarlden, 1933

11 + 11

15601	Albrecht-Leiss-Degener Collection	2023

Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 5
Sets
- R(a);OGATE::B(B)
- R(a);OGATE,P_PINR(E)::B(B)
- R(a);N_SPINS(c),OGATE::B(B)
- B(g);N_SPINS(c),P_SPINB(h),S_CUTR(a)::PXS(k)=S
- B(g);P_SPINB(h),S_CUTR(a)::PXS(k)=S
- B(h);P_SPINB(g),S_CUTR(j)::P=Q
Tries
- Try
  - B(B);XR(a)
  - Threat
    - B(B)
  - Vars
    - B(g);P_SPINB(h)::PXS(k)=S
  - Refutation
    - P(e);
- Try
  - Q(D);CHECK,XS(c)
  - Vars
    - R(a);OGATE,P_SPINR(a)::B(B)
    - B(g);N_GUARD,P_SPINB(g),S_CUTQ(d),S_CUTR(a)::PXS(k)=S
  - Refutation
    - Q(d);XQ(D)
- Try
  - P(C);XP(b)
  - Threat
    - R1(E),XP(e)
  - Vars
    - R(a);OGATE,P_PINR(E)::B(B)
    - R(a);OGATE::B(B)
    - R(a);N_SPINS(c),OGATE::B(B)
    - B(g);N_SPINS(c),P_SPINB(h),S_CUTR(a)::PXS(k)=S
    - B(h);P_SPINB(g),S_CUTR(j)::P=Q
    - P(e);::R1(E)
  - Refutation
    - B(h);P_SPINB(g)
- Try
  - P(J);CHECK,XS(k)
  - Vars
    - R(a);OGATE,XS(J)::B(B)
  - Refutation
    - B(h);P_SPINB(g),XS(J)
- Try
  - P(J);CHECK
  - Vars
    - R(j);N_GUARD,P_SPINR(j)::QAR1(J),XR(j)
  - Refutation
    - B(g);P_SPINB(h),XQ(J)
- Try
  - P(J);CHECK
  - Vars
    - R(j);N_GUARD,P_SPINR(j)::R1(J),XR(j)
  - Refutation
    - B(g);P_SPINB(h),XR(J)
Actual
- P(C);
- Threat
  - R1(E),XP(e)
- Vars
  - R(a);OGATE,P_PINR(E)::B(B)
  - R(a);OGATE::B(B)
  - R(a);N_SPINS(c),OGATE::B(B)
  - B(g);N_SPINS(c),P_SPINB(h),S_CUTR(a)::PXS(k)=S
  - B(h);P_SPINB(g),S_CUTR(a)::QAB(D),XS(c)
  - B(h);P_SPINB(g),S_CUTR(j)::P=Q
  - P(e);::R1(E)

MESON Chess Problem Database