MESON Chess Problem Database
Problem Display
PID: 16101 (4r1q1/Q3R3/5N1B/4nPp1/5kP1/Rb3N1K/2np1pP1/8 w - - 0 1)
Cheylan, Yves
Problem-Forum, 2000
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Qc4
- 2.Bxg5#
- 1...Qd5
- 2.Bxg5#
- 1...Qe6
- 2.Bxg5#
- 1...Qf7
- 2.Bxg5#
- 1...Qf8
- 2.Bxg5#
- 1...Ba2
- 2.g3#
- 1...Ba4
- 2.g3#
- 1...Bc4
- 2.g3#
- 1...Bd5
- 2.g3#
- 1...Be6
- 2.g3#
- 1...Bf7
- 2.g3#
- 1...Sa1
- 2.Qd4#
- 1...Se1
- 2.Qd4#
- 1...Sxa3
- 2.Qd4#
- 1...Se3
- 2.Qd4#
- 1...Sb4
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sd3
- 2.Sh5#
- 1...Sxf3
- 2.Sh5#
- 2.g3#
- 1...Sc4
- 2.Sh5#
- 1...Sc6
- 2.Sh5#
- 1...Sg6
- 2.Sh5#
- 2.Bxg5#
- 1...Sd7
- 2.Sh5#
- 1...Sf7
- 2.Sh5#
- 1...Qc4
- Tries
- 1.Sxd2?
- threat
- 2.Sh5#
- 2.g3#
- 1...Sd4
- 2.Qxd4#
- 1...f1Q
- 2.Sh5#
- 1...f1S
- 2.Sh5#
- 1...f1B
- 2.Sh5#
- 1...Qf7
- 2.g3#
- 1...Qg6
- 2.g3#
- 1...Bf7
- 2.g3#
- 1...Sxg4!
- threat
- 1.Sxe5?
- threat
- 2.Sd3#
- 2.Qxf2#
- 2.g3#
- 1...Rxe7
- 2.Sd3#
- 1...Qe6
- 2.Sd3#
- 2.Sg6#
- 1...Be6
- 2.Sd3#
- 1...Sd4
- 2.Sd3#
- 2.Qxd4#
- 1...d1Q
- 2.g3#
- 1...d1S
- 2.Sd3#
- 2.g3#
- 1...d1B
- 2.Sd3#
- 2.g3#
- 1...d1R
- 2.Qxf2#
- 2.g3#
- 1...f1S
- 2.Sd3#
- 2.Qf2#
- 1...f1B
- 2.Qf2#
- 1...f1R
- 2.Sd3#
- 2.g3#
- 1...Qc4
- 2.Sg6#
- 2.Qxf2#
- 2.g3#
- 1...Qd5
- 2.Sg6#
- 2.g3#
- 1...Rd8
- 2.Qxf2#
- 2.g3#
- 1...Bc4
- 2.Rf3#
- 2.Qxf2#
- 2.g3#
- 1...Bd5
- 2.Sd3#
- 2.g3#
- 1...Se1
- 2.Qd4#
- 2.g3#
- 1...Se3
- 2.Sd3#
- 2.Qd4#
- 2.g3#
- 1...Sb4
- 2.Qxf2#
- 2.Qd4#
- 2.g3#
- 1...f1Q!
- threat
- 1.Qxf2?
- threat
- 2.Sxe5#
- 2.g3#
- 1...Rxe7
- 2.g3#
- 1...Sxf3
- 2.Sh5#
- 2.Qg3#
- 2.Qxf3#
- 2.g3#
- 1...d1Q
- 2.g3#
- 1...d1S
- 2.g3#
- 1...d1B
- 2.g3#
- 1...Qd5
- 2.Bxg5#
- 2.g3#
- 1...Qe6
- 2.Bxg5#
- 2.g3#
- 1...Bd5
- 2.Qg3#
- 2.g3#
- 1...Be6
- 2.Qg3#
- 2.g3#
- 1...Se1
- 2.Qd4#
- 2.Qxd2#
- 2.g3#
- 1...Sd4
- 2.Qxd4#
- 2.Qxd2#
- 2.g3#
- 1...Sd3
- 2.Sh5#
- 2.Qg3#
- 2.g3#
- 1...Sc4
- 2.Se1#
- 2.Sg1#
- 2.Sxd2#
- 2.Sh2#
- 2.Sd4#
- 2.Sh4#
- 2.Se5#
- 2.Sxg5#
- 2.Sh5#
- 2.Qg3#
- 2.g3#
- 1...Sc6
- 2.Se1#
- 2.Sg1#
- 2.Sxd2#
- 2.Sh2#
- 2.Sd4#
- 2.Sh4#
- 2.Se5#
- 2.Sxg5#
- 2.Sh5#
- 2.Qg3#
- 2.g3#
- 1...Sg6
- 2.Se1#
- 2.Sg1#
- 2.Sxd2#
- 2.Sh2#
- 2.Sd4#
- 2.Sh4#
- 2.Se5#
- 2.Sxg5#
- 2.Sh5#
- 2.Bxg5#
- 2.Qg3#
- 2.g3#
- 1...Sd7
- 2.Se1#
- 2.Sg1#
- 2.Sxd2#
- 2.Sh2#
- 2.Sd4#
- 2.Sh4#
- 2.Se5#
- 2.Sxg5#
- 2.Sh5#
- 2.Qg3#
- 2.g3#
- 1...Sf7
- 2.Se1#
- 2.Sg1#
- 2.Sxd2#
- 2.Sh2#
- 2.Sd4#
- 2.Sh4#
- 2.Se5#
- 2.Sxg5#
- 2.Sh5#
- 2.Qg3#
- 2.g3#
- 1...Sxg4!
- threat
- 1.Qc5?
- threat
- 2.Qxe5#
- 1...Sxf3
- 2.Sh5#
- 2.g3#
- 1...Sxg4
- 2.Sh5#
- 1...Qd5
- 2.Bxg5#
- 1...Qe6
- 2.Bxg5#
- 1...Bd5
- 2.g3#
- 1...Sd3
- 2.Sh5#
- 1...Sc4
- 2.Sh5#
- 1...Sc6
- 2.Sh5#
- 1...Sg6
- 2.Sh5#
- 2.Bxg5#
- 1...Sd7
- 2.Sh5#
- 1...Sf7
- 2.Sh5#
- 1...Rxe7!
- threat
- 1.Qa4+?
- 1...Ke3
- 2.Qe4#
- 1...Qc4
- 2.Bxg5#
- 1...Bxa4
- 2.g3#
- 1...Bc4
- 2.g3#
- 1...Sd4
- 2.Qxd4#
- 1...Sc4
- 2.Sh5#
- 1...Sb4!
- 1...Ke3
- 1.Qa5?
- threat
- 2.Qxe5#
- 1...Ke3
- 2.Qxd2#
- 1...Sxf3
- 2.Sh5#
- 2.g3#
- 1...Sxg4
- 2.Sh5#
- 1...Qd5
- 2.Bxg5#
- 1...Qe6
- 2.Bxg5#
- 1...Bd5
- 2.g3#
- 1...Sd3
- 2.Sh5#
- 1...Sc4
- 2.Sh5#
- 1...Sc6
- 2.Sh5#
- 1...Sg6
- 2.Sh5#
- 2.Bxg5#
- 1...Sd7
- 2.Sh5#
- 1...Sf7
- 2.Sh5#
- 1...Rxe7!
- threat
- 1.Qa8?
- threat
- 2.Qe4#
- 1...Ke3
- 2.Qe4#
- 1...Qc4
- 2.Bxg5#
- 1...Qd5
- 2.Bxg5#
- 1...Bd5
- 2.g3#
- 1...Sc6
- 2.Sh5#
- 1...Rxa8!
- threat
- 1.Sxd2?
- Keys
- 1.Qb7!
- threat
- 2.Qe4#
- 1...Ke3
- 2.Qe4#
- 1...Qc4
- 2.Bxg5#
- 1...Qd5
- 2.Bxg5#
- 1...Bd5
- 2.g3#
- 1...Sc6
- 2.Sh5#
- threat
- 1.Qb7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 18
- Sets
- Q(i);N_GUARD::B(H),XP(g)
- B(d);::P(A)
- S(a);N_GUARD::QAR2(I)
- S(a);N_GUARD,XR(B)::QAR2(I)
- S(a);N_GUARD::QAR2(I),XS(a)
- S(f);::S(G)
- Tries
- Try
- S(C);XP(b)
- Threat
- DUALS(2)
- Vars
- S(a);N_GUARD::QAR2(I),XS(a)
- P(c);P_PINP(A)::S(G)
- P(c);::S(G)
- Q(i);::P(A)
- B(d);::P(A)
- Refutation
- S(f);XP(E)
- Try
- S(C);XS(f)
- Threat
- DUALS(3)
- Vars
- R(h);XR(J)::S(C)
- B(d);::S(C)
- P(b);::P(A)
- P(c);P_PINP(A)::QAR2(I)
- Refutation
- P(c);P_PINP(A)
- Try
- Q(I);XP(c)
- Threat
- DUALS(2)
- Vars
- R(h);XR(J)::P(A)
- P(b);::P(A)
- Refutation
- S(f);XP(E)
- Try
- Q(I);
- Threat
- QAB1(I),XS(f)
- Vars
- S(f);XP(E)::S(G)
- Q(i);N_GUARD::B(H),XP(g)
- B(d);::P(A)
- S(f);::S(G)
- Refutation
- R(h);XR(J)
- Try
- Q(I);CHECK
- Vars
- K(e);P_SPINB(d),P_SPINS(f),S_FLIGHT::QAR1(I)
- Q(i);P_SPINQ(i)::B(H),XP(g)
- B(d);XQ(I)::P(A)
- B(d);P_SPINB(d)::P(A)
- S(a);N_GUARD,P_SPINS(a)::QAR2(I),XS(a)
- S(f);P_SPINS(f)::S(G)
- Refutation
- S(a);P_SPINS(a)
- Try
- Q(I);
- Threat
- QAB1(I),XS(f)
- Vars
- K(e);P_SPINB(d),P_SPINS(f),S_FLIGHT::QAB1(I),XP(b)
- S(f);XP(E)::S(G)
- Q(i);N_GUARD::B(H),XP(g)
- B(d);::P(A)
- S(f);::S(G)
- Refutation
- R(h);XR(J)
- Try
- Q(I);
- Threat
- QAR1(I)
- Vars
- K(e);P_SPINB(d),P_SPINS(f),S_FLIGHT::QAR1(I)
- Q(i);N_GUARD::B(H),XP(g)
- B(d);::P(A)
- S(f);::S(G)
- Refutation
- R(h);XQ(I)
- Try
- Actual
- Q(I);
- Threat
- QAR1(I)
- Vars
- K(e);P_SPINB(d),P_SPINS(f),S_FLIGHT::QAR1(I)
- Q(i);N_GUARD::B(H),XP(g)
- B(d);::P(A)
- S(f);::S(G)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).