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Problem Display

PID: 107651 (qb6/5PKP/6B1/2Qbr1kP/p2R2N1/5pP1/5p1N/7n w - - 0 1)

Bakcsi, Gyorgy

Revista Romana de Sah, 1981

qb6/5PKP/6B1/2Qbr1kP/p2R2N1/5pP1/5p1N/7n

#2

10 + 9

6490	yacpdb	2009

SOLUTION

SOUND
Sets
- 1...Re1
  - 2.Sxf3#
- 1...Re2
  - 2.Sxf3#
- 1...Re6
  - 2.Sxf3#
- 1...Re7
  - 2.Sxf3#
  - 2.Qxe7#
- 1...Re8
  - 2.Sxf3#
- 1...Be4
  - 2.Qc1#
- 1...Be6
  - 2.Qe7#
Tries
- 1.Sxf2?
  - threat
    - 2.Sh3#
    - 2.Rg4#
  - 1...Re4
    - 2.Sh3#
    - 2.Sxe4#
    - 2.Sxf3#
  - 1...Be4
    - 2.Sh3#
    - 2.Qc1#
  - 1...Be6
    - 2.Qe7#
  - 1...Sxf2!
- 1.Se3?
  - threat
    - 2.Rg4#
  - 1...Re4
    - 2.Sxf3#
  - 1...Be6
    - 2.Qe7#
  - 1...Be4!
- 1.Sxe5?
  - threat
    - 2.Sexf3#
    - 2.Rg4#
    - 2.Qe7#
    - 2.Qc1#
  - 1...f1Q
    - 2.Rg4#
    - 2.Qe7#
  - 1...f1S
    - 2.Sexf3#
    - 2.Rg4#
    - 2.Qe7#
  - 1...f1R
    - 2.Rg4#
    - 2.Qe7#
  - 1...Qc6
    - 2.Sexf3#
    - 2.Rg4#
  - 1...Qb7
    - 2.Sexf3#
    - 2.Rg4#
    - 2.Qc1#
  - 1...Qa5
    - 2.Sexf3#
    - 2.Rg4#
    - 2.Qe7#
  - 1...Qa6
    - 2.Sexf3#
    - 2.Rg4#
    - 2.Qc1#
  - 1...Qa7
    - 2.Sexf3#
    - 2.Rg4#
    - 2.Qc1#
  - 1...Bc4
    - 2.Sexf3#
    - 2.Rg4#
    - 2.Qe7#
  - 1...Be4
    - 2.Sexf3#
    - 2.Qe7#
    - 2.Qc1#
  - 1...Be6
    - 2.Sexf3#
    - 2.Qe7#
    - 2.Qc1#
  - 1...Bd6
    - 2.Sexf3#
    - 2.Rg4#
    - 2.Qc1#
  - 1...Bxe5+!
- 1.Sf6?
  - threat
    - 2.Rg4#
  - 1...Re4
    - 2.Sxf3#
    - 2.Sxe4#
  - 1...Be4
    - 2.Qc1#
  - 1...Be6!
Keys
- 1.Sh6!
  - threat
    - 2.Rg4#
  - 1...Re4
    - 2.Sxf3#
  - 1...Be4
    - 2.Qc1#
  - 1...Be6
    - 2.Qe7#

FEATURES

Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 4
Sets
- R(f);P_SPINB(e)::S(A),XP(c)
- B(e);P_SPINR(f)::QAB(E)
Tries
- Try
  - S(D);XP(b)
  - Threat
    - DUALS(2)
  - Vars
    - B(e);P_SPINR(f)::QAB(E)
  - Refutation
    - S(a);XS(D)
- Try
  - S(D);
  - Threat
    - R1(C)
  - Vars
    - R(f);P_SPINB(e)::S(A),XP(c)
    - B(e);P_SPINR(f)::QAB(E)
  - Refutation
    - B(e);P_SPINR(f)
- Try
  - S(D);XR(f)
  - Threat
    - DUALS(4)
  - Refutation
    - B(i);CHECK,XS(D)
- Try
  - S(D);
  - Threat
    - R1(C)
  - Vars
    - B(e);P_SPINR(f)::QAB(E)
  - Refutation
    - B(e);P_SPINR(f)
Actual
- S(D);
- Threat
  - R1(C)
- Vars
  - R(f);P_SPINB(e)::S(A),XP(c)
  - B(e);P_SPINR(f)::QAB(E)

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