MESON Chess Problem Database
Problem Display
PID: 258279 (8/4K3/8/2P1k1N1/3pPp2/5r2/6Qb/8 w - - 0 1)
Anonymous
English Mechanic and World of Science, 1891
(First published on Fri Feb 27 1891)
#2
5 + 5
| 15239 | Valois Notebooks | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rf1
- 2.Sf7#
- 1...Rf2
- 2.Sf7#
- 1...Ra3
- 2.Sf7#
- 1...Rb3
- 2.Sf7#
- 1...Rc3
- 2.Sf7#
- 1...Rd3
- 2.Sf7#
- 1...Re3
- 2.Sf7#
- 1...Rg3
- 2.Sf7#
- 1...Rh3
- 2.Sf7#
- 1...d3
- 2.Qb2#
- 1...Rf1
- Tries
- 1.Qh3?
- threat
- 2.Qf5#
- 2.Qe6#
- 2.Qh8#
- 1...d3
- 2.Qh8#
- 1...Rxh3!
- threat
- 1.Qa2?
- threat
- 2.Qd5#
- 2.Qe6#
- 1...d3
- 2.Qd5#
- 2.Qa1#
- 2.Qb2#
- 1...Rb3!
- threat
- 1.Qc2?
- threat
- 2.Sxf3#
- 2.Sf7#
- 1...d3
- 2.Qb2#
- 2.Qc3#
- 1...Rf1
- 2.Sf7#
- 1...Rf2
- 2.Sf7#
- 1...Ra3
- 2.Sf7#
- 1...Rb3
- 2.Sf7#
- 1...Rc3
- 2.Sf7#
- 1...Re3
- 2.Sf7#
- 1...Rg3
- 2.Sf7#
- 1...Rh3
- 2.Sf7#
- 1...Rd3!
- threat
- 1.Qe2?
- threat
- 2.Sxf3#
- 2.Sf7#
- 1...d3
- 2.Sxf3#
- 2.Qb2#
- 1...Rf1
- 2.Sf7#
- 1...Rf2
- 2.Sf7#
- 1...Ra3
- 2.Sf7#
- 1...Rb3
- 2.Sf7#
- 1...Rc3
- 2.Sf7#
- 1...Rd3
- 2.Sf7#
- 1...Rg3
- 2.Sf7#
- 1...Rh3
- 2.Sf7#
- 1...Re3!
- threat
- 1.Qh3?
- Keys
- 1.Qh1!
- 1...d3
- 2.Qa1#
- 1...Rf1
- 2.Sf7#
- 1...Rf2
- 2.Sf7#
- 1...Ra3
- 2.Sf7#
- 1...Rb3
- 2.Sf7#
- 1...Rc3
- 2.Sf7#
- 1...Rd3
- 2.Sf7#
- 1...Re3
- 2.Sf7#
- 1...Rg3
- 2.Sf7#
- 1...Rh3
- 2.Sf7#
- 1...Bg1
- 2.Qh8#
- 1...Bg3
- 2.Qh8#
- 1...d3
- 1.Qh1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(b);::S(D)
- P(c);OGATEB::QAB(A)
- Tries
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- P(c);::QAB(A)
- Refutation
- R(b);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(2)
- Refutation
- R(b);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(b);::S(D)
- Refutation
- R(b);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(b);::S(D)
- Refutation
- R(b);
- Try
- Actual
- Q(A);
- Vars
- P(c);OGATEB::QAB(A)
- R(b);::S(D)
- B(a);OGATE::QAB(A)
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