MESON Chess Problem Database
Problem Display
PID: 173199 (2B5/3p4/2PR4/R5pk/3p4/6K1/p1n5/Qb6 w - - 0 1)
Howard, David M
Problem Observer, 2010
#2
6 + 7
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...d3
- 2.Qh8#
- 1...dxc6
- 2.Bg4#
- 1...d3
- Tries
- 1.Bxd7?
- threat
- 2.Bg4#
- 2.Be8#
- 1...Sxa1
- 2.Bg4#
- 1...Se1
- 2.Bg4#
- 1...Sa3
- 2.Bg4#
- 1...Sb4
- 2.Bg4#
- 1...Se3!
- threat
- 1.Qxd4?
- threat
- 2.Qh8#
- 2.Qd1#
- 2.Qg4#
- 2.Qh4#
- 1...a1Q
- 2.Qd1#
- 2.Qg4#
- 2.Qh4#
- 1...a1B
- 2.Qd1#
- 2.Qg4#
- 2.Qh4#
- 1...Se1
- 2.Qg4#
- 2.Qh4#
- 1...Sa1
- 2.Qd1#
- 2.Qg4#
- 2.Qh4#
- 1...Sa3
- 2.Qd1#
- 2.Qg4#
- 2.Qh4#
- 1...Se3
- 2.Qh4#
- 1...Sb4
- 2.Qd1#
- 2.Qg4#
- 2.Qh4#
- 1...Sxd4!
- threat
- 1.Qxa2?
- threat
- 2.Qf7#
- 1...Se1
- 2.Qh2#
- 1...Sa1
- 2.Qe2#
- 2.Qh2#
- 1...Sa3
- 2.Qe2#
- 2.Qh2#
- 1...Se3
- 2.Qh2#
- 1...Sb4
- 2.Qe2#
- 2.Qh2#
- 1...Bxa2!
- threat
- 1.Bxd7?
- Keys
- 1.Rxa2!
- 1...Bxa2
- 2.Qh1#
- 1...Sxa1
- 2.Rh2#
- 1...dxc6
- 2.Bg4#
- 1...g4
- 2.Ra5#
- 1...Se1
- 2.Rh2#
- 1...Sa3
- 2.Rh2#
- 1...Se3
- 2.Rh2#
- 1...Sb4
- 2.Rh2#
- 1...d3
- 2.Qh8#
- 1...Bxa2
- 1.Rxa2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- P(d);OGATE::QAR(A)
- P(g);OGATE,XP(D)::B(F)
- Tries
- Try
- B(F);XP(g)
- Threat
- DUALS(2)
- Vars
- S(c);XQ(A)::B(F)
- S(c);::B(F)
- Refutation
- S(c);
- Try
- Q(A);XP(d)
- Threat
- DUALS(4)
- Vars
- S(c);::QAR1(A)
- Refutation
- S(c);XQ(A)
- Try
- Q(A);XP(b)
- Threat
- QAB(A)
- Vars
- S(c);OGATE::QAR(A)
- Refutation
- B(a);XQ(A)
- Try
- Actual
- R(C);N_PINP(e),XP(b)
- Vars
- B(a);OGATE,XR(C)::QAR(A)
- S(c);OGATE,XQ(A)::R(C)
- P(g);OGATE,XP(D)::B(F)
- P(e);OGATEB::R(C)
- S(c);OGATE::R(C)
- P(d);OGATE::QAR(A)
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