MESON Chess Problem Database
Problem Display
PID: 218148 (3n4/3K4/3p4/1n1k2p1/R5P1/1P1N4/7b/Q5N1 w - - 0 1)
Pearson, Arthur Cyril
English Mechanic and World of Science, 1873
(First published on Fri Nov 7 1873)
#2
7 + 6
| 15239 | Valois Notebooks | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Sa3
- 2.Rd4#
- 2.Qd4#
- 1...Sd4
- 2.Rxd4#
- 2.Qxd4#
- 1...Sa7
- 2.Rd4#
- 2.Qd4#
- 1...Sc7
- 2.Rd4#
- 2.Qd4#
- 1...Sa3
- Tries
- 1.Se2?
- threat
- 2.Qh1#
- 1...Sd4
- 2.Sc3#
- 2.Rxd4#
- 2.Qxd4#
- 1...Sc3
- 2.Sxc3#
- 2.Rd4#
- 1...Bg1!
- threat
- 1.Qb2?
- threat
- 2.Qg2#
- 1...Sd4
- 2.Rxd4#
- 2.Qxd4#
- 1...Sc3!
- threat
- 1.Qc3?
- threat
- 2.Qc4#
- 1...Sd4
- 2.Rxd4#
- 2.Qxd4#
- 1...Sa3
- 2.Rd4#
- 2.Qd4#
- 1...Sxc3!
- threat
- 1.Qf6?
- threat
- 2.Qf3#
- 1...Sd4
- 2.Rxd4#
- 2.Qxd4#
- 1...Sc3
- 2.Rd4#
- 2.Qd4#
- 1...Bf4!
- threat
- 1.Se2?
- Keys
- 1.Qh8!
- 1...Bxg1
- 2.Qh1#
- 1...Sd4
- 2.Rxd4#
- 2.Qxd4#
- 1...Bg3
- 2.Qh1#
- 1...Bf4
- 2.Qh1#
- 1...Be5
- 2.Qh1#
- 1...Sa3
- 2.Rd4#
- 2.Qd4#
- 1...Sc3
- 2.Rd4#
- 2.Qd4#
- 1...Sa7
- 2.Rd4#
- 2.Qd4#
- 1...Sc7
- 2.Rd4#
- 2.Qd4#
- 1...Sc6
- 2.Qg8#
- 1...Se6
- 2.Qa8#
- 1...Sb7
- 2.Qg8#
- 1...Sf7
- 2.Qa8#
- 1...Bxg1
- 1.Qh8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(B);
- Threat
- QAB(A)
- Refutation
- B(a);
- Try
- Q(A);
- Threat
- QAB(A)
- Refutation
- S(b);
- Try
- Q(A);
- Threat
- QAB1(A)
- Refutation
- S(b);XQ(A)
- Try
- Q(A);
- Threat
- QAB(A)
- Refutation
- B(a);
- Try
- Actual
- Q(A);
- Vars
- B(a);OGATE,XS(B)::QAB(A)
- B(a);OGATE::QAB(A)
- S(f);N_GUARD::QAB(A)
- S(f);OGATE::QAB(A)
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