MESON Chess Problem Database
Problem Display
PID: 167228 (3N4/6nQ/1b1prP2/1RPkPp2/2N3p1/qppK4/6P1/8 w - - 0 1)
Dikusarov, Andrey Nikolayovich
Sachmatija, 2011
#2
9 + 10
SOLUTION
- SOUND
- Sets
- 1...Qc1
- 2.cxb6#
- 1...Qb2
- 2.cxb6#
- 1...Qa1
- 2.cxb6#
- 1...Qa2
- 2.cxb6#
- 1...Qa7
- 2.cxb6#
- 1...Qa8
- 2.cxb6#
- 1...Rxe5
- 2.Sxb6#
- 1...Sh5
- 2.Qb7#
- 1...Se8
- 2.Qb7#
- 1...f4
- 2.Qe4#
- 1...dxe5
- 2.Se3#
- 1...Qc1
- Tries
- 1.Qxf5?
- threat
- 2.Se3#
- 2.Sxb6#
- 2.Qe4#
- 1...Rxe5
- 2.Se3#
- 2.Sxb6#
- 1...Bxc5
- 2.Se3#
- 2.Sb6#
- 2.Qe4#
- 1...Bxd8
- 2.Qe4#
- 1...dxc5
- 2.Se3#
- 2.Qe4#
- 1...dxe5
- 2.Se3#
- 2.Qe4#
- 1...Qc1
- 2.Sxb6#
- 2.Qe4#
- 2.cxb6#
- 1...Qa5
- 2.Se3#
- 2.Qe4#
- 1...Qa6
- 2.Se3#
- 2.Qe4#
- 1...Qa7
- 2.Se3#
- 2.Qe4#
- 2.cxb6#
- 1...Ba5
- 2.Se3#
- 2.Qe4#
- 1...Ba7
- 2.Se3#
- 2.Qe4#
- 1...Bc7
- 2.Se3#
- 2.Qe4#
- 1...Sxf5!
- threat
- 1.Qxf5?
- Keys
- 1.g3!
- threat
- 2.Qh1#
- 1...Rxe5
- 2.Sxb6#
- 1...dxe5
- 2.Se3#
- 1...Qc1
- 2.cxb6#
- 1...Qb2
- 2.cxb6#
- 1...Qa1
- 2.cxb6#
- 1...Qa2
- 2.cxb6#
- 1...Sh5
- 2.Qb7#
- 1...f4
- 2.Qe4#
- threat
- 1.g3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 3
- Sets
- Q(a);N_GUARD::R(D)+P(E),XB(g)
- R(i);SBLOCK,XP(F)::S(C),XB(g)
- S(j);OGATE::QAB(H)
- P(f);OGATE::QAB1(H)
- P(h);SBLOCK,XP(F)::S(C)
- Tries
- Try
- Q(H);XP(f)
- Threat
- DUALS(3)
- Vars
- B(g);XS(I)::QAB1(H)
- Refutation
- S(j);XQ(H)
- Try
- Actual
- P(A);
- Threat
- QAB(H)
- Vars
- R(i);SBLOCK,XP(F)::S(C),XB(g)
- P(h);SBLOCK,XP(F)::S(C)
- Q(a);N_GUARD::R(D)+P(E),XB(g)
- S(j);OGATE::QAB(H)
- P(f);OGATE::QAB1(H)
Developed and maintained by Brian Stephenson.
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