MESON Chess Problem Database
Problem Display
PID: 186176 (3Q4/8/1P1P1P2/3n4/1P1k1P2/pB1N1R2/3P1N2/KR2B3 w - - 0 1)
Ouellet, Charles
Problem Observer, 2017
#2
14 + 3
SOLUTION
- SOUND
- Sets
- 1...Sc3
- 2.dxc3#
- 1...Se3
- 2.dxe3#
- 1...Sxf4
- 2.Rxf4#
- 1...Sxb6
- 2.Qxb6#
- 1...Sxf6
- 2.Qxf6#
- 1...Sc7
- 2.dxc7#
- 1...Se7
- 2.dxe7#
- 1...Sc3
- Tries
- 1.Ka2?
- 1...Sc3+
- 2.dxc3#
- 1...Sxf4
- 2.Rxf4#
- 1...Sxb6
- 2.Qxb6#
- 1...Sxf6
- 2.Qxf6#
- 1...Se3
- 2.dxe3#
- 1...Sc7
- 2.dxc7#
- 1...Se7
- 2.dxe7#
- 1...Sxb4+!
- 1...Sc3+
- 1.Sc5?
- threat
- 2.Se6#
- 2.Rd3#
- 1...Sxb4
- 2.Se6#
- 1...Se3
- 2.Se6#
- 2.dxe3#
- 1...Sc7
- 2.Rd3#
- 2.dxc7#
- 1...Sxf4!
- threat
- 1.Se5?
- threat
- 2.Sc6#
- 2.Rd3#
- 1...Sxf4
- 2.Sc6#
- 1...Se3
- 2.Sc6#
- 2.dxe3#
- 1...Se7
- 2.Rd3#
- 2.dxe7#
- 1...Sxb4!
- threat
- 1.Rc1?
- threat
- 2.Rc4#
- 1...Sxf4
- 2.Rxf4#
- 1...Sxb6
- 2.Qxb6#
- 1...Sxf6
- 2.Qxf6#
- 1...Sc3
- 2.dxc3#
- 1...Se3
- 2.dxe3#
- 1...Sc7
- 2.dxc7#
- 1...Se7
- 2.dxe7#
- 1...Sxb4!
- threat
- 1.Qc7?
- threat
- 2.Qc4#
- 2.Qc5#
- 1...Sxb6
- 2.Qxb6#
- 2.Qc3#
- 2.Qc5#
- 1...Se3
- 2.Qc3#
- 2.Qc5#
- 2.dxe3#
- 1...Sxc7!
- threat
- 1.Qe7?
- threat
- 2.Qe4#
- 2.Qe5#
- 1...Sxf6
- 2.Qxf6#
- 2.Qe3#
- 2.Qe5#
- 1...Sc3
- 2.Qe3#
- 2.Qe5#
- 2.dxc3#
- 1...Sxe7!
- threat
- 1.Qa8?
- threat
- 2.Qxd5#
- 1...Sxb4
- 2.Qe4#
- 1...Sxf4
- 2.Rxf4#
- 2.Qe4#
- 1...Sxb6
- 2.Qe4#
- 1...Sc3
- 2.dxc3#
- 1...Se3
- 2.Qe4#
- 2.dxe3#
- 1...Sc7
- 2.Qe4#
- 1...Se7
- 2.Qe4#
- 1...Sxf6!
- threat
- 1.Qc8?
- threat
- 2.Qc4#
- 2.Qc5#
- 1...Sxb6
- 2.Qc3#
- 2.Qc5#
- 1...Se3
- 2.Qc3#
- 2.Qc5#
- 2.dxe3#
- 1...Sc7!
- threat
- 1.Qe8?
- threat
- 2.Qe4#
- 2.Qe5#
- 1...Sxf6
- 2.Qe3#
- 2.Qe5#
- 1...Sc3
- 2.Qe3#
- 2.Qe5#
- 2.dxc3#
- 1...Se7!
- threat
- 1.Qg8?
- threat
- 2.Qxd5#
- 1...Sxb4
- 2.Qc4#
- 1...Sxf4
- 2.Rxf4#
- 2.Qc4#
- 1...Sxf6
- 2.Qc4#
- 1...Sc3
- 2.Qc4#
- 2.dxc3#
- 1...Se3
- 2.dxe3#
- 1...Sc7
- 2.Qc4#
- 1...Se7
- 2.Qc4#
- 1...Sxb6!
- threat
- 1.Qh8?
- 1...Sxb4
- 2.f7#
- 1...Sxf4
- 2.Rxf4#
- 2.f7#
- 1...Sxb6
- 2.f7#
- 1...Sxf6
- 2.Qxf6#
- 1...Sc3
- 2.dxc3#
- 2.f7#
- 1...Se3
- 2.dxe3#
- 2.f7#
- 1...Sc7
- 2.f7#
- 1...Se7
- 2.fxe7#
- 2.f7#
- 1...a2!
- 1...Sxb4
- 1.f5?
- 1...Sxb4
- 2.Rf4#
- 1...Sxb6
- 2.Rf4#
- 2.Qxb6#
- 1...Sxf6
- 2.Qxf6#
- 1...Sc3
- 2.dxc3#
- 1...Se3
- 2.Rf4#
- 2.dxe3#
- 1...Sf4
- 2.Rxf4#
- 1...Sc7
- 2.Rf4#
- 2.dxc7#
- 1...Se7
- 2.Rf4#
- 2.dxe7#
- 1...a2!
- 1...Sxb4
- 1.b7?
- 1...Sxb4
- 2.Qb6#
- 1...Sxf4
- 2.Rxf4#
- 2.Qb6#
- 1...Sxf6
- 2.Qb6#
- 2.Qxf6#
- 1...Sc3
- 2.Qb6#
- 2.dxc3#
- 1...Se3
- 2.Qb6#
- 2.dxe3#
- 1...Sb6
- 2.Qxb6#
- 1...Sc7
- 2.dxc7#
- 1...Se7
- 2.Qb6#
- 2.dxe7#
- 1...a2!
- 1...Sxb4
- 1.f7?
- 1...Sxb4
- 2.Qf6#
- 2.Qh8#
- 1...Sxf4
- 2.Rxf4#
- 2.Qf6#
- 2.Qh8#
- 1...Sxb6
- 2.Qxb6#
- 2.Qf6#
- 2.Qh8#
- 1...Sc3
- 2.Qf6#
- 2.Qh8#
- 2.dxc3#
- 1...Se3
- 2.Qf6#
- 2.Qh8#
- 2.dxe3#
- 1...Sf6
- 2.Qxf6#
- 1...Sc7
- 2.Qf6#
- 2.Qh8#
- 2.dxc7#
- 1...Se7
- 2.Qh8#
- 2.dxe7#
- 1...a2!
- 1...Sxb4
- 1.Ka2?
- Keys
- 1.Ba2!
- 1...Sxb4
- 2.Rxb4#
- 1...Sxf4
- 2.Rxf4#
- 1...Sxb6
- 2.Qxb6#
- 1...Sxf6
- 2.Qxf6#
- 1...Sc3
- 2.dxc3#
- 1...Se3
- 2.dxe3#
- 1...Sc7
- 2.dxc7#
- 1...Se7
- 2.dxe7#
- 1...Sxb4
- 1.Ba2!
This is a version of 186172
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(c);OGATE::P(D),XS(c)
- S(c);OGATE,XP(J)::R(H),XS(c)
- S(c);OGATE,XP(K)::QAB(N),XS(c)
- S(c);OGATE,XP(M)::QAB(N),XS(c)
- S(c);OGATE::QAR(N)+P(L),XS(c)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- S(c);CHECK,OGATE::P(D),XS(c)
- S(c);OGATE,XP(J)::R(H),XS(c)
- S(c);OGATE,XP(K)::QAB(N),XS(c)
- S(c);OGATE,XP(M)::QAB(N),XS(c)
- S(c);OGATE::P(D),XS(c)
- S(c);OGATE::QAR(N)+P(L),XS(c)
- Refutation
- S(c);CHECK,XP(I)
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- S(c);XP(I)::S(G)
- Refutation
- S(c);XP(J)
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- S(c);XP(J)::S(G)
- Refutation
- S(c);XP(I)
- Try
- R(B);
- Threat
- R1(B)
- Vars
- S(c);OGATE,XP(J)::R(H),XS(c)
- S(c);OGATE,XP(K)::QAB(N),XS(c)
- S(c);OGATE,XP(M)::QAB(N),XS(c)
- S(c);OGATE::P(D),XS(c)
- S(c);OGATE::QAR(N)+P(L),XS(c)
- Refutation
- S(c);XP(I)
- Try
- Q(N);
- Threat
- DUALS(2)
- Refutation
- S(c);XQ(N)
- Try
- Q(N);
- Threat
- DUALS(2)
- Refutation
- S(c);XQ(N)
- Try
- Q(N);
- Threat
- QAR1(N),XS(c)
- Vars
- S(c);OGATE,XP(I)::QAR1(N)
- S(c);OGATE,XP(K)::QAR1(N)
- S(c);OGATE::P(D),XS(c)
- S(c);OGATE::QAR1(N)
- Refutation
- S(c);XP(M)
- Try
- Q(N);
- Threat
- DUALS(2)
- Refutation
- S(c);
- Try
- Q(N);
- Threat
- DUALS(2)
- Refutation
- S(c);
- Try
- Q(N);
- Threat
- QAR1(N),XS(c)
- Vars
- S(c);OGATE,XP(I)::QAR1(N)
- S(c);OGATE,XP(M)::QAR1(N)
- S(c);OGATE::P(D),XS(c)
- S(c);OGATE::QAR1(N)
- Refutation
- S(c);XP(K)
- Try
- Q(N);
- Vars
- S(c);N_GUARD,XP(I)::QAB(N)+P(M)
- S(c);N_GUARD,XP(K)::QAB(N)+P(M)
- S(c);OGATE,P_SPINS(c),XP(M)::QAB(N),XS(c)
- S(c);N_GUARD::QAB(N)+P(M)
- Refutation
- P(a);
- Try
- P(J);
- Vars
- S(c);N_GUARD,XP(I)::R(H)
- S(c);OGATE,XP(M)::QAB(N),XS(c)
- S(c);OGATE::P(D),XS(c)
- S(c);N_GUARD::R(H),XS(c)
- Refutation
- P(a);
- Try
- P(K);
- Vars
- S(c);N_GUARD,XP(I)::QAB(N)
- S(c);N_GUARD::QAB(N),XS(c)
- S(c);OGATE::QAR(N)+P(L),XS(c)
- Refutation
- P(a);
- Try
- P(M);
- Vars
- S(c);N_GUARD::QAB(N),XS(c)
- Refutation
- P(a);
- Try
- Actual
- B(F);
- Vars
- S(c);OGATE,XP(I)::R(B),XS(c)
- S(c);OGATE,XP(J)::R(H),XS(c)
- S(c);OGATE,XP(K)::QAB(N),XS(c)
- S(c);OGATE,XP(M)::QAB(N),XS(c)
- S(c);OGATE::P(D),XS(c)
- S(c);OGATE::QAR(N)+P(L),XS(c)
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