MESON Chess Problem Database
Problem Display
PID: 199949 (3NbQRb/8/n3P3/1p1p4/1P1k1B2/1KN4q/3P2p1/1B6 w - - 0 1)
Simonet, Andre
Suomen Shakki, 1989
#2
10 + 8
SOLUTION
- SOUND
- Sets
- 1...Qf5
- 2.Se2#
- 1...Qxe6
- 2.Sxe6#
- 1...Qh1
- 2.Se2#
- 1...Qh2
- 2.Se2#
- 1...Qxc3+
- 2.dxc3#
- 1...Qe3
- 2.dxe3#
- 1...Qh4
- 2.Se2#
- 1...Qh6
- 2.Se2#
- 1...Qh7
- 2.Se2#
- 1...Bh5
- 2.Sc6#
- 1...Bc6
- 2.Sxc6#
- 1...Bg6
- 2.Sc6#
- 1...Bf7
- 2.Sc6#
- 1...Bf6
- 2.Qxf6#
- 1...Bg7
- 2.Qxg7#
- 1...Sxb4
- 2.Qxb4#
- 1...Sc5+
- 2.Qxc5#
- 1...Sc7
- 2.Qc5#
- 1...Sb8
- 2.Qc5#
- 1...Qf5
- Tries
- 1.Be3+?
- 1...Ke5
- 2.Qf4#
- 2.d4#
- 1...Qxe3!
- 1...Ke5
- 1.Bg3?
- threat
- 2.Se2#
- 2.Qf2#
- 2.Qf4#
- 1...Sc5+
- 2.Qxc5#
- 1...Qxe6
- 2.Sxe6#
- 1...Sxb4
- 2.Se2#
- 2.Qxb4#
- 2.Qf2#
- 1...g1Q
- 2.Se2#
- 2.Qf4#
- 1...g1S
- 2.Qf2#
- 2.Qf4#
- 1...g1B
- 2.Se2#
- 2.Qf4#
- 1...Qg4
- 2.Rxg4#
- 2.Qf2#
- 1...Qf5
- 2.Se2#
- 1...Qh4
- 2.Se2#
- 2.Qf2#
- 1...Qh5
- 2.Qf2#
- 2.Qf4#
- 1...Qh6
- 2.Se2#
- 1...Qh7
- 2.Se2#
- 2.Qf2#
- 1...Bh5
- 2.Sxb5#
- 2.Sc6#
- 2.Qf2#
- 2.Qf4#
- 1...Bg6
- 2.Se2#
- 2.Sxb5#
- 2.Sc6#
- 2.Qf2#
- 1...Bf7
- 2.Se2#
- 2.Sxb5#
- 2.Sc6#
- 1...Be5
- 2.Se2#
- 2.Qf2#
- 1...Bf6
- 2.Se2#
- 2.Qxf6#
- 1...Qxg3!
- threat
- 1.Rg7?
- threat
- 2.Qf6#
- 1...Qxc3+
- 2.dxc3#
- 1...Sc5+
- 2.Qxc5#
- 1...Qxe6
- 2.Sxe6#
- 1...Bxg7
- 2.Qxg7#
- 1...Sxb4
- 2.Qxb4#
- 1...Qf5
- 2.Se2#
- 1...Qe3
- 2.dxe3#
- 1...Qh4
- 2.Se2#
- 1...Qh6
- 2.Se2#
- 1...Bf7
- 2.Sc6#
- 1...Qh5!
- threat
- 1.Rxh8?
- threat
- 2.Qg7#
- 2.Qf6#
- 1...Qxc3+
- 2.dxc3#
- 1...Sc5+
- 2.Qxc5#
- 1...Qxe6
- 2.Sxe6#
- 1...Qxh8
- 2.Se2#
- 2.Qxh8#
- 1...Sxb4
- 2.Qxb4#
- 1...g1Q
- 2.Qf6#
- 1...g1R
- 2.Qf6#
- 1...Qg4
- 2.Qf6#
- 1...Qf5
- 2.Se2#
- 1...Qe3
- 2.dxe3#
- 1...Qg3
- 2.Qf6#
- 1...Qh4
- 2.Se2#
- 1...Qh6
- 2.Se2#
- 1...Qh7
- 2.Se2#
- 2.Qf6#
- 1...Bf7
- 2.Sc6#
- 2.Qg7#
- 1...Qh5!
- threat
- 1.Qd6?
- threat
- 2.Qxd5#
- 1...Qxc3+
- 2.dxc3#
- 1...Sc5+
- 2.Qxc5#
- 1...Qxe6
- 2.Sxe6#
- 1...Sxb4
- 2.Qxb4#
- 2.Qb6#
- 1...Qf5
- 2.Se2#
- 2.Be3#
- 1...Qh5
- 2.Be3#
- 1...Bc6
- 2.Sxc6#
- 1...Sc7
- 2.Qc5#
- 2.Qb6#
- 1...Qf3!
- threat
- 1.Be3+?
- Keys
- 1.Rg5!
- threat
- 2.Rxd5#
- 1...Qxc3+
- 2.dxc3#
- 1...Sc5+
- 2.Qxc5#
- 1...Qxe6
- 2.Sxe6#
- 1...Sxb4
- 2.Qxb4#
- 1...Qf5
- 2.Se2#
- 1...Qf3
- 2.Qxh8#
- 1...Qh5
- 2.Be3#
- 1...Bc6
- 2.Sxc6#
- 1...Be5
- 2.Bxe5#
- 1...Sc7
- 2.Qc5#
- threat
- 1.Rg5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 12
- Sets
- Q(b);N_PINS(D)::S(D)
- Q(b);N_PINS(D),XP(G)::S(H),XQ(b)
- Q(b);CHECK,OGATE,XS(D)::P(B),XQ(b)
- Q(b);OGATE::P(B),XQ(b)
- B(g);N_GUARD::S(H)
- B(g);N_GUARD::S(H),XB(g)
- B(h);N_GUARD::QAB(I),XB(h)
- S(f);OGATE,XP(E)::QAR2(I),XS(f)
- S(f);CHECK,N_GUARD::QAB1(I),XS(f)
- S(f);N_GUARD::QAB1(I)
- Tries
- Try
- B(F);CHECK,N_SPINS(D)
- Refutation
- Q(b);P_PINS(D),XB(F)
- Try
- B(F);N_SPINS(D)
- Threat
- DUALS(3)
- Vars
- S(f);CHECK,N_GUARD::QAB1(I),XS(f)
- Q(b);XP(G)::S(H),XQ(b)
- Q(b);::S(D)
- Refutation
- Q(b);P_PINS(D),XB(F)
- Try
- R(J);
- Threat
- QAB(I)
- Vars
- Q(b);CHECK,OGATE,XS(D)::P(B),XQ(b)
- S(f);CHECK,N_GUARD::QAB1(I),XS(f)
- Q(b);N_PINS(D),XP(G)::S(H),XQ(b)
- B(h);OGATE,XR(J)::QAB(I),XB(h)
- S(f);OGATE,XP(E)::QAR2(I),XS(f)
- Q(b);N_PINS(D)::S(D)
- Q(b);OGATE::P(B),XQ(b)
- B(g);N_GUARD::S(H)
- Refutation
- Q(b);N_PINS(D)
- Try
- R(J);XB(h)
- Threat
- DUALS(2)
- Vars
- Q(b);CHECK,OGATE,XS(D)::P(B),XQ(b)
- S(f);CHECK,N_GUARD::QAB1(I),XS(f)
- Q(b);N_PINS(D),XP(G)::S(H),XQ(b)
- S(f);OGATE,XP(E)::QAR2(I),XS(f)
- P(a);::QAB(I)
- Q(b);N_PINS(D)::QAB(I)
- Q(b);N_PINS(D)::S(D)
- Q(b);OGATE::P(B),XQ(b)
- Q(b);::QAB(I)
- Refutation
- Q(b);N_PINS(D)
- Try
- Q(I);P_PINP(e)
- Threat
- QAR1(I),XP(e)
- Vars
- Q(b);CHECK,OGATE,XS(D)::P(B),XQ(b)
- S(f);CHECK,N_GUARD::QAB1(I),XS(f)
- Q(b);N_PINS(D),XP(G)::S(H),XQ(b)
- Q(b);N_GUARD,N_PINS(D)::B(F)
- B(g);N_GUARD::S(H),XB(g)
- Refutation
- Q(b);
- Try
- Actual
- R(J);
- Threat
- R1(J),XP(e)
- Vars
- Q(b);CHECK,OGATE,XS(D)::P(B),XQ(b)
- S(f);CHECK,N_GUARD::QAB1(I),XS(f)
- Q(b);N_PINS(D),XP(G)::S(H),XQ(b)
- S(f);OGATE,XP(E)::QAR2(I),XS(f)
- Q(b);N_PINS(D)::S(D)
- Q(b);N_GUARD::QAB(I),XB(h)
- Q(b);N_GUARD,N_PINS(D)::B(F)
- B(g);N_GUARD::S(H),XB(g)
- B(h);N_GUARD::B(F),XB(h)
- S(f);N_GUARD::QAB1(I)
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).