MESON Chess Problem Database
Problem Display
PID: 18203 (4r3/7p/3Q4/5knK/8/4p1B1/6P1/7N w - - 0 1)
Yaffe, Yehoshua
Davar, 1954
#2
5 + 5
| 3841 | The Art of Israeli Chess Composition | 1983 |
SOLUTION
- SOUND
- Sets
- 1...Re5
- 2.Qxe5#
- 1...Re6
- 2.Qf4#
- 1...Ra8
- 2.Qe5#
- 1...Rb8
- 2.Qe5#
- 1...Rc8
- 2.Qe5#
- 1...Rd8
- 2.Qe5#
- 1...Rf8
- 2.Qe5#
- 1...Rg8
- 2.Qe5#
- 1...Rh8
- 2.Qe5#
- 1...Se6
- 2.Qe5#
- 1...h6
- 2.Qg6#
- 1...Re5
- Tries
- 1.Bf4?
- threat
- 2.Sg3#
- 1...Ke4
- 2.Sg3#
- 1...Re5
- 2.Qxe5#
- 1...Se6
- 2.Qe5#
- 1...Se4
- 2.g4#
- 1...Re6!
- threat
- 1.Be5?
- threat
- 2.Sg3#
- 1...Ke4
- 2.Sg3#
- 1...Se4
- 2.g4#
- 1...Rxe5!
- threat
- 1.Qd5+?
- 1...Re5
- 2.Qxe5#
- 1...Kf6!
- 1...Re5
- 1.Bf4?
- Keys
- 1.Bh2!
- threat
- 2.Sg3#
- 1...Ke4
- 2.Sg3#
- 1...Re6
- 2.Qf4#
- 1...Se6
- 2.Qe5#
- 1...Re5
- 2.Qxe5#
- 1...Se4
- 2.g4#
- threat
- 1.Bh2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 8
- Sets
- R(e);N_GUARD::QAR1(E),XR(e)
- R(e);SBLOCK::QAR1(E)
- R(e);N_GUARD::QAR1(E)
- S(c);S_CUTR(e)::QAR1(E)
- P(d);N_GUARD::QAB1(E)
- Tries
- Try
- B(C);
- Threat
- S(A)
- Vars
- K(b);S_FLIGHT::S(A)
- R(e);N_GUARD::QAR1(E),XR(e)
- S(c);S_CUTR(e)::QAR1(E)
- S(c);SBLOCK::P(B)
- Refutation
- R(e);
- Try
- B(C);
- Threat
- S(A)
- Vars
- K(b);S_FLIGHT::S(A)
- S(c);SBLOCK::P(B)
- Refutation
- R(e);XB(C)
- Try
- Q(E);CHECK
- Vars
- R(e);N_GUARD,P_SPINR(e)::QAR1(E),XR(e)
- Refutation
- K(b);P-FLIGHT
- Try
- Actual
- B(C);
- Threat
- S(A)
- Vars
- K(b);S_FLIGHT::S(A)
- R(e);SBLOCK::QAR1(E)
- S(c);S_CUTR(e)::QAR1(E)
- R(e);N_GUARD::QAR1(E),XR(e)
- S(c);SBLOCK::P(B)
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