MESON Chess Problem Database
Problem Display
PID: 160055 (6K1/6N1/7k/8/1pn5/1rQ5/2RP4/b5R1 w - - 0 1)
Sydenham, Colin Peter
Problemas, 1984
#2
6 + 5
| 15513 | Selected Chess Problems of Colin Sydenham | 2015 |
| 56 | The Problemist | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Qh3#
- 1...Rb2
- 2.Qf6#
- 2.Qh3#
- 1...Sb2
- 2.Qf6#
- 2.Qc6#
- 1...Rb1
- Tries
- 1.Qd3?
- threat
- 2.Rg6#
- 2.Qg6#
- 2.Qh7#
- 1...Bxg7
- 2.Qg6#
- 2.Qh7#
- 1...Se5
- 2.Qh7#
- 1...Rxd3!
- threat
- 1.Qg3?
- threat
- 2.Rh1#
- 2.Qf4#
- 2.Qh4#
- 2.Qg5#
- 2.Qg6#
- 1...Bxg7
- 2.Rh1#
- 2.Qh4#
- 2.Qg5#
- 2.Qg6#
- 1...Rb1
- 2.Qh2#
- 2.Qf4#
- 2.Qh4#
- 2.Qh3#
- 2.Qg5#
- 2.Qg6#
- 1...Rf3
- 2.Rh1#
- 2.Qh4#
- 2.Qg5#
- 2.Qg6#
- 1...Be5
- 2.Rh1#
- 2.Qh4#
- 2.Qg5#
- 2.Qg6#
- 1...Bf6
- 2.Qg6#
- 1...Se5
- 2.Rh1#
- 2.Qf4#
- 2.Qh4#
- 2.Qg5#
- 1...Rxg3!
- threat
- 1.d4?
- threat
- 2.Rh2#
- 1...Rb2
- 2.Qh3#
- 1...Sd2
- 2.Qc6#
- 1...Rxc3!
- threat
- 1.Qd3?
- Keys
- 1.d3!
- threat
- 2.Rh2#
- 1...Rb2
- 2.Qf6#
- 1...Sd2
- 2.Qxd2#
- threat
- 1.d3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- R(b);N_GUARD::QAR(D)
- Tries
- Try
- Q(D);
- Threat
- DUALS(3)
- Vars
- S(d);::QAR1(D)
- Refutation
- R(b);XQ(D)
- Try
- Q(D);
- Threat
- DUALS(5)
- Vars
- B(a);::QAR1(D)
- Refutation
- R(b);P_PINS(E),XQ(D)
- Try
- P(C);
- Threat
- R(B)
- Vars
- R(b);N_GUARD::QAR(D)
- S(d);OGATE::QAR(D)
- Refutation
- R(b);XQ(D)
- Try
- Actual
- P(C);
- Threat
- R(B)
- Vars
- R(b);S_CUTB(a)::QAR2(D)
- S(d);N_GUARD::QAB(D),XS(d)
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