MESON Chess Problem Database
Problem Display
PID: 163621 (1b6/6pK/r5p1/pN1Q2Rp/2r2kPP/1q6/1p1P1PB1/3N4 w - - 0 1)
Cuppini, Alessandro
Sachmatija, 2005
#2
10 + 10
SOLUTION
- SOUND
- Sets
- 1...Qxd1
- 2.Qxc4#
- 1...Qa2
- 2.Qf3#
- 1...Qc2
- 2.Qf3#
- 1...Qa4
- 2.Qf3#
- 1...Qa3
- 2.Qxc4#
- 1...Qe3
- 2.dxe3#
- 1...Qf3
- 2.Qxf3#
- 1...Qg3
- 2.Qxc4#
- 1...Qh3
- 2.Qxc4#
- 1...Qb4
- 2.Qf3#
- 1...Qxb5
- 2.Qf3#
- 1...Rc1
- 2.Qe4#
- 2.Qd4#
- 1...Rc2
- 2.Qe4#
- 2.Qd4#
- 1...Rc3
- 2.Qe4#
- 2.Qd4#
- 1...Rd4
- 2.Qxd4#
- 1...Re4
- 2.Qxe4#
- 1...Rc5
- 2.Qe4#
- 2.Qd4#
- 1...Rcc6
- 2.Qe4#
- 2.Qd4#
- 1...Rc7
- 2.Qe4#
- 2.Qd4#
- 2.Qe5#
- 1...Rc8
- 2.Qe4#
- 2.Qd4#
- 1...Rd6
- 2.Qe5#
- 1...Ra8
- 2.Qf7#
- 1...Be5
- 2.Qxe5#
- 1...Bd6
- 2.Qf7#
- 1...Ba7
- 2.Qe5#
- 1...Qxd1
- Tries
- 1.Sdc3?
- threat
- 2.Se2#
- 2.Qf3#
- 1...Rxc3
- 2.Qe4#
- 2.Qd4#
- 1...hxg4
- 2.Se2#
- 1...Qd1
- 2.Qxc4#
- 1...Re4
- 2.Qxe4#
- 1...Re6
- 2.Qf3#
- 1...Qxc3!
- threat
- 1.Sbc3?
- threat
- 2.Se2#
- 2.Qf3#
- 1...Qxd1
- 2.Qxc4#
- 1...Rxc3
- 2.Qe4#
- 2.Qd4#
- 1...hxg4
- 2.Se2#
- 1...Qb7
- 2.Se2#
- 1...Re4
- 2.Qxe4#
- 1...Re6
- 2.Qf3#
- 1...Qxc3!
- threat
- 1.Sd4?
- threat
- 2.Se2#
- 2.Qe4#
- 1...Qxd1
- 2.Qe4#
- 1...Rxd4
- 2.Qxd4#
- 1...b1Q
- 2.Se2#
- 1...b1B
- 2.Se2#
- 1...Qc2
- 2.Se2#
- 2.Qf3#
- 1...Qe3
- 2.dxe3#
- 1...Qf3
- 2.Qxf3#
- 1...Qb7
- 2.Se2#
- 1...Re6
- 2.Sxe6#
- 1...Qd3!
- threat
- 1.Sd6?
- threat
- 2.Qf7#
- 2.Qe5#
- 1...Rxd6
- 2.Qe5#
- 1...Bxd6
- 2.Qf7#
- 1...b1Q
- 2.Qe5#
- 1...b1B
- 2.Qe5#
- 1...Qc2
- 2.Qf3#
- 2.Qe5#
- 1...Qd3
- 2.Qe5#
- 1...Qe3
- 2.Qf7#
- 2.dxe3#
- 1...Qb5
- 2.Qf3#
- 1...Qb7
- 2.Qe5#
- 1...Rc1
- 2.Qe4#
- 2.Qd4#
- 2.Qe5#
- 1...Rc2
- 2.Qe4#
- 2.Qd4#
- 2.Qe5#
- 1...Rc3
- 2.Qe4#
- 2.Qd4#
- 2.Qe5#
- 1...Ra4
- 2.Qe5#
- 1...Rb4
- 2.Qe5#
- 1...Rd4
- 2.Qxd4#
- 2.Qe5#
- 1...Re4
- 2.Qxe4#
- 1...Rc5
- 2.Qe4#
- 2.Qd4#
- 1...Rcc6
- 2.Qe4#
- 2.Qd4#
- 2.Qe5#
- 1...Rc7
- 2.Qe4#
- 2.Qd4#
- 2.Qe5#
- 1...Rc8
- 2.Qe4#
- 2.Qd4#
- 2.Qe5#
- 1...Ra7
- 2.Qe5#
- 1...Qc3!
- threat
- 1.Rf5+?
- 1...gxf5
- 2.Qxf5#
- 1...Kxg4!
- 1...gxf5
- 1.Rxh5?
- threat
- 2.Qg5#
- 1...Kxg4
- 2.Qg5#
- 1...Qxb5
- 2.Qf3#
- 1...Qf3
- 2.Qxf3#
- 1...Rc5
- 2.Qe4#
- 2.Qd4#
- 1...g5
- 2.Qf5#
- 2.Qxg5#
- 1...Be5!
- threat
- 1.Sdc3?
- Keys
- 1.Se3!
- threat
- 2.Qf3#
- 1...Qxe3
- 2.dxe3#
- 1...hxg4
- 2.Rxg4#
- 1...Qd1
- 2.Qxc4#
- 1...Re4
- 2.Qxe4#
- threat
- 1.Se3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 15
- Sets
- Q(b);N_GUARD,XS(A)::QAR(H),XR(c)
- Q(b);N_GUARD::QAR1(H)
- Q(b);N_GUARD::QAR(H),XR(c)
- Q(b);OGATE::P(B),XQ(b)
- Q(b);N_GUARD::QAR1(H),XQ(b)
- Q(b);N_GUARD,XS(G)::QAR1(H)
- R(c);N_GUARD::QAR2(H),XR(c)
- R(c);N_GUARD::QAR1(H),XR(c)
- R(g);S_CUTB(j)::QAB1(H)
- R(g);N_GUARD::QAR(H)
- B(j);N_GUARD::QAB1(H),XB(j)
- B(j);S_CUTR(g)::QAR(H)
- B(j);N_GUARD::QAB1(H)
- Tries
- Try
- S(A);
- Threat
- DUALS(2)
- Vars
- P(f);XP(E)::S(A)
- Q(b);N_GUARD::QAR(H),XR(c)
- R(c);N_GUARD::QAR1(H),XR(c)
- R(g);::QAR1(H)
- Refutation
- Q(b);XS(A)
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- Q(b);N_GUARD,XS(A)::QAR(H),XR(c)
- P(f);XP(E)::S(G)
- Q(b);::S(G)
- R(c);N_GUARD::QAR1(H),XR(c)
- R(g);::QAR1(H)
- Refutation
- Q(b);XS(G)
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- Q(b);XS(A)::QAR1(H)
- R(c);OGATE,XS(G)::QAR2(H),XR(c)
- P(a);::S(G)
- Q(b);OGATE::P(B),XQ(b)
- Q(b);N_GUARD::QAR1(H),XQ(b)
- Q(b);::S(G)
- R(g);N_GUARD::S(G),XR(g)
- Refutation
- Q(b);
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- R(g);XS(G)::QAB1(H)
- B(j);XS(G)::QAR(H)
- P(a);::QAB1(H)
- Q(b);::QAB1(H)
- Q(b);N_GUARD::QAR1(H)
- R(c);::QAB1(H)
- R(c);N_GUARD::QAR1(H),XR(c)
- R(g);::QAB1(H)
- Refutation
- Q(b);
- Try
- R(I);CHECK
- Vars
- P(h);OGATE,XR(I)::QAR1(H),XP(h)
- Refutation
- K(d);P-FLIGHT,XP(E)
- Try
- R(I);XP(f)
- Threat
- QAB1(H)
- Vars
- K(d);P-FLIGHT,XP(E)::QAR1(H)
- Q(b);N_GUARD,XS(G)::QAR1(H)
- Q(b);N_GUARD::QAR1(H),XQ(b)
- Refutation
- B(j);
- Try
- Actual
- S(A);
- Threat
- QAR1(H)
- Vars
- Q(b);OGATE,XS(A)::P(B),XQ(b)
- P(f);OGATE,XP(E)::R1(I),XP(f)
- Q(b);N_GUARD::QAR(H),XR(c)
- R(c);N_GUARD::QAR1(H),XR(c)
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).