MESON Chess Problem Database
Problem Display
PID: 252827 (2N2N2/6n1/5p2/3n1k2/5bR1/1p5K/b3R3/4Q3 w - - 0 1)
Kiss, Ivan
Comm., Schach, 1988
#2
6 + 7
| 15601 | Albrecht-Leiss-Degener Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bb1
- 2.Qxb1#
- 1...Bc1
- 2.Sd6#
- 1...Bd2
- 2.Sd6#
- 1...Bg5
- 2.Sd6#
- 1...Bd6
- 2.Sxd6#
- 1...Bh6
- 2.Sd6#
- 1...Sc3
- 2.Se7#
- 1...Sb4
- 2.Se7#
- 1...Sb6
- 2.Se7#
- 1...Sc7
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...Bb1
- Tries
- 1.Rf2?
- threat
- 2.Sd6#
- 1...Se8
- 2.Qe6#
- 1...Se3!
- threat
- 1.Re5+?
- 1...Bxe5
- 2.Qe4#
- 1...fxe5!
- 1...Bxe5
- 1.Re8?
- threat
- 2.Qe4#
- 1...Sxe8
- 2.Qe6#
- 1...Bb1
- 2.Qxb1#
- 1...Be3
- 2.Sd6#
- 1...Sc3
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...Se6
- 2.Qxe6#
- 1...Se3!
- threat
- 1.Qf2?
- threat
- 2.Sd6#
- 1...Se3
- 2.Qxf4#
- 1...Se8!
- threat
- 1.Qb4?
- threat
- 2.Qe4#
- 1...Sxb4
- 2.Se7#
- 1...Se3
- 2.Qxf4#
- 1...Sc3
- 2.Se7#
- 2.Qxf4#
- 1...Bb1!
- threat
- 1.Qa5?
- threat
- 2.Se7#
- 1...Be3
- 2.Qxd5#
- 1...Bd6
- 2.Sxd6#
- 1...Be5!
- threat
- 1.Qd1?
- threat
- 2.Qd3#
- 1...Be3
- 2.Qxd5#
- 1...Bb1
- 2.Qxb1#
- 1...Bd2
- 2.Sd6#
- 1...Sc3
- 2.Se7#
- 1...Sb4
- 2.Se7#
- 1...Se3!
- threat
- 1.Qf1?
- threat
- 2.Sd6#
- 1...Se3
- 2.Qxf4#
- 1...Se8!
- threat
- 1.Qh1?
- threat
- 2.Qe4#
- 1...Bb1
- 2.Qxb1#
- 1...Sc3
- 2.Se7#
- 1...Se3!
- threat
- 1.Rf2?
- Keys
- 1.Re6!
- threat
- 2.Qe4#
- 1...Sxe6
- 2.Qxe6#
- 1...Bb1
- 2.Qxb1#
- 1...Be3
- 2.Sd6#
- 1...Sc3
- 2.Se7#
- 1...Se3
- 2.Se7#
- threat
- 1.Re6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 9
- Sets
- B(a);N_GUARD::QAB(A),XB(a)
- B(c);N_GUARD::S(E)
- B(c);N_GUARD::S(E),XB(c)
- S(d);N_GUARD::S(E)
- S(d);N_GUARD::S(E),XS(d)
- Tries
- Try
- R(B);P_PINB(c)
- Threat
- S(E)
- Vars
- S(g);N_GUARD::QAB1(A)
- Refutation
- S(d);
- Try
- R(B);CHECK
- Vars
- B(c);XR(B)::QAB1(A)
- Refutation
- P(f);XR(B)
- Try
- R(B);
- Threat
- QAB1(A)
- Vars
- S(g);N_GUARD,XR(B)::QAB1(A)
- B(a);N_GUARD::QAB(A),XB(a)
- B(c);N_GUARD::S(E)
- S(d);N_GUARD::S(E)
- S(d);N_GUARD::S(E),XS(d)
- S(g);N_GUARD::QAB1(A),XS(g)
- Refutation
- S(d);
- Try
- Q(A);P_PINB(c)
- Threat
- S(E)
- Vars
- S(d);N_GUARD::QAR1(A),XB(c)
- Refutation
- S(g);
- Try
- Q(A);
- Threat
- QAB1(A)
- Vars
- S(d);N_GUARD,XQ(A)::S(E)
- S(d);N_GUARD::QAR1(A),XB(c)
- Refutation
- B(a);
- Try
- Q(A);P_PINS(d)
- Threat
- S(E)
- Vars
- B(c);N_GUARD::QAR2(A),XS(d)
- B(c);N_GUARD::S(E),XB(c)
- Refutation
- B(c);N_SPINS(d)
- Try
- Q(A);
- Threat
- QAB(A)
- Vars
- B(c);N_GUARD::QAR2(A),XS(d)
- B(a);N_GUARD::QAB(A),XB(a)
- B(c);N_GUARD::S(E)
- S(d);N_GUARD::S(E)
- Refutation
- S(d);
- Try
- Q(A);P_PINB(c)
- Threat
- S(E)
- Vars
- S(d);N_GUARD::QAR1(A),XB(c)
- Refutation
- S(g);
- Try
- Q(A);
- Threat
- QAB1(A)
- Vars
- B(a);N_GUARD::QAB(A),XB(a)
- S(d);N_GUARD::S(E)
- Refutation
- S(d);
- Try
- Actual
- R(B);
- Threat
- QAB1(A)
- Vars
- S(g);OGATE,XR(B)::QAB1(A),XS(g)
- B(a);N_GUARD::QAB(A),XB(a)
- B(c);N_GUARD::S(E)
- S(d);N_GUARD::S(E)
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