MESON Chess Problem Database
Problem Display
PID: 66982 (8/3rnR2/1Q2P3/n1Bk3q/2pP2p1/1Pp4r/1bBN1P2/1K1NR2b w - - 0 1)
Kapros, Jorge Marcelo
Lois, Jorge Joaquin
Troll, 2001
#2
12 + 11
SOLUTION
- SOUND
- Sets
- 1...Qg6
- 2.Re5#
- 1...Qxf7
- 2.Re5#
- 1...Qh4
- 2.Re5#
- 1...Qe5
- 2.Rxe5#
- 1...Qh6
- 2.Re5#
- 1...Qh7
- 2.Re5#
- 1...Rh2
- 2.Se3#
- 1...Re3
- 2.Sxe3#
- 1...Rf3
- 2.Be4#
- 1...Rh4
- 2.Se3#
- 1...Rd6
- 2.Qxd6#
- 1...Ra7
- 2.Qd6#
- 1...Rb7
- 2.Qd6#
- 1...Rc7
- 2.Qd6#
- 1...Bf3
- 2.Se3#
- 1...Be4
- 2.Bxe4#
- 1...Sac6
- 2.bxc4#
- 1...Sb7
- 2.bxc4#
- 1...Sf5
- 2.Re5#
- 1...Sec6
- 2.Rxd7#
- 1...Sg6
- 2.Rxd7#
- 1...Sg8
- 2.Rxd7#
- 1...g3
- 2.Se3#
- 1...Qg6
- Tries
- 1.Sf3?
- threat
- 2.Se3#
- 2.Be4#
- 1...Rxf3
- 2.Be4#
- 1...Bxf3
- 2.Se3#
- 1...cxb3
- 2.Se3#
- 1...Qg6
- 2.Se3#
- 2.Re5#
- 1...Qe5
- 2.Rxe5#
- 1...Qf5
- 2.Se3#
- 1...Qg5
- 2.Be4#
- 1...Qh6
- 2.Be4#
- 2.Re5#
- 1...Qh7
- 2.Se3#
- 2.Re5#
- 1...Rd6
- 2.Qxd6#
- 1...Bc1
- 2.Sxc3#
- 2.Be4#
- 1...Sf5
- 2.Be4#
- 2.Re5#
- 1...Sec6
- 2.Rxd7#
- 1...Sac6!
- threat
- 1.Bb4?
- threat
- 2.Qc5#
- 1...Qe5
- 2.Rxe5#
- 1...Re3
- 2.Sxe3#
- 1...Rc7
- 2.Qd6#
- 1...Be4
- 2.Bxe4#
- 1...Sb7
- 2.bxc4#
- 1...Sxb3!
- threat
- 1.Rf3?
- threat
- 2.Se3#
- 2.Be4#
- 1...Rxf3
- 2.Be4#
- 1...Bxf3
- 2.Se3#
- 1...Qg6
- 2.Se3#
- 2.Re5#
- 1...Qe5
- 2.Rxe5#
- 1...Qf5
- 2.Se3#
- 1...Qg5
- 2.Be4#
- 1...Qh6
- 2.Be4#
- 2.Re5#
- 1...Qh7
- 2.Se3#
- 2.Re5#
- 1...Rd6
- 2.Qxd6#
- 1...Sac6
- 2.bxc4#
- 1...Sf5
- 2.Be4#
- 2.Re5#
- 1...Sec6!
- threat
- 1.Rf5+?
- 1...Sxf5
- 2.Re5#
- 1...Qxf5!
- 1...Sxf5
- 1.Rxe7?
- threat
- 2.Rxd7#
- 1...Rxe7
- 2.Qd6#
- 1...Qf7
- 2.Re5#
- 1...Qe8
- 2.Re5#
- 1...Qe5
- 2.Rxe5#
- 1...Qh7
- 2.Re5#
- 1...Rd6
- 2.Qxd6#
- 1...Ra7
- 2.Qd6#
- 1...Rb7
- 2.Qd6#
- 1...Rc7
- 2.Qd6#
- 1...Sb7
- 2.bxc4#
- 1...Rd8!
- threat
- 1.Qc6+?
- 1...Saxc6
- 2.bxc4#
- 1...Sexc6
- 2.Rxd7#
- 1...Kxc6!
- 1...Saxc6
- 1.exd7?
- threat
- 2.Qd6#
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...Qxf7
- 2.Re5#
- 2.Qd6#
- 2.d8Q#
- 2.d8R#
- 1...Sxb3
- 2.Qd6#
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...cxd2
- 2.Qd6#
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...cxb3
- 2.Qd6#
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...Qg6
- 2.Re5#
- 1...Qh4
- 2.Re5#
- 2.Qd6#
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...Qe5
- 2.Rxe5#
- 1...Qf5
- 2.Qd6#
- 1...Qg5
- 2.Qd6#
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...Qh6
- 2.Re5#
- 1...Qh7
- 2.Re5#
- 2.Qd6#
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...Qh8
- 2.Qd6#
- 2.Qe6#
- 1...Rh2
- 2.Se3#
- 2.Qd6#
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...Rd3
- 2.Qd6#
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...Re3
- 2.Sxe3#
- 2.Qd6#
- 2.d8Q#
- 2.d8R#
- 1...Rf3
- 2.Be4#
- 2.Qd6#
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...Rg3
- 2.Qd6#
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...Rh4
- 2.Se3#
- 2.Qd6#
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...Bg2
- 2.Qd6#
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...Bf3
- 2.Se3#
- 2.Qd6#
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...Be4
- 2.Bxe4#
- 2.Qd6#
- 2.d8Q#
- 2.d8R#
- 1...Ba1
- 2.Qd6#
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...Bc1
- 2.Qd6#
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...Ba3
- 2.Qd6#
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...Sac6
- 2.bxc4#
- 1...Sb7
- 2.Qe6#
- 2.bxc4#
- 1...Sf5
- 2.Re5#
- 2.Qe6#
- 1...Sg6
- 2.Qd6#
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...Sc8
- 2.Qe6#
- 1...Sg8
- 2.Qd6#
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...g3
- 2.Se3#
- 2.Qd6#
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...Sec6!
- threat
- 1.Sf3?
- Keys
- 1.f3!
- threat
- 2.Se3#
- 2.Be4#
- 1...Rxf3
- 2.Be4#
- 1...Bxf3
- 2.Se3#
- 1...Qg6
- 2.Se3#
- 2.Re5#
- 1...Qe5
- 2.Rxe5#
- 1...Qf5
- 2.Se3#
- 1...Qg5
- 2.Be4#
- 1...Qh6
- 2.Be4#
- 2.Re5#
- 1...Qh7
- 2.Se3#
- 2.Re5#
- 1...Rd6
- 2.Qxd6#
- 1...Sac6
- 2.bxc4#
- 1...Sf5
- 2.Be4#
- 2.Re5#
- 1...Sec6
- 2.Rxd7#
- threat
- 1.f3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 17
- Sets
- Q(i);N_GUARD,P_PINB(D)::R1(C)
- Q(i);N_GUARD,XR(L)::R1(C)
- Q(i);N_GUARD::R1(C)
- Q(i);N_GUARD::R1(C),XQ(i)
- R(d);N_GUARD::S(B)
- R(d);N_GUARD::S(B),XR(d)
- R(d);S_CUTB(a)::B(D)
- R(j);N_GUARD::QAR1(J),XR(j)
- R(j);N_GUARD::QAR1(J)
- B(a);S_CUTR(d)::S(B)
- B(a);N_GUARD,P_PINB(D)::B(D),XB(a)
- S(g);N_GUARD::P(G),XP(e)
- S(k);S_CUTQ(i)::R1(C)
- S(k);OGATE::R(L),XR(j)
- P(f);S_CUTR(d)::S(B)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- R(d);XS(E)::B(D)
- B(a);XS(E)::S(B)
- P(e);XP(G)::S(B)
- Q(i);N_GUARD::R1(C),XQ(i)
- Q(i);P_PINB(D)::S(B)
- Q(i);::B(D)
- R(j);N_GUARD::QAR1(J),XR(j)
- S(k);OGATE::R(L),XR(j)
- Refutation
- S(g);
- Try
- B(I);
- Threat
- QAR1(J)
- Vars
- Q(i);N_GUARD::R1(C),XQ(i)
- R(d);N_GUARD::S(B),XR(d)
- R(j);N_GUARD::QAR1(J)
- B(a);N_GUARD,P_PINB(D)::B(D),XB(a)
- S(g);N_GUARD::P(G),XP(e)
- Refutation
- S(g);XP(G)
- Try
- R(L);
- Threat
- DUALS(2)
- Vars
- R(d);XR(L)::B(D)
- B(a);XR(L)::S(B)
- Q(i);N_GUARD::R1(C),XQ(i)
- Q(i);P_PINB(D)::S(B)
- Q(i);::B(D)
- R(j);N_GUARD::QAR1(J),XR(j)
- S(g);N_GUARD::P(G),XP(e)
- Refutation
- S(k);
- Try
- R(L);CHECK
- Vars
- S(k);XR(L)::R1(C)
- Refutation
- Q(i);P_PINB(D),XR(L)
- Try
- R(L);XS(k)
- Threat
- R(L),XR(j)
- Vars
- R(j);N_GUARD,XR(L)::QAR1(J)
- Q(i);N_GUARD::R1(C)
- Q(i);N_GUARD::R1(C),XQ(i)
- Q(i);N_GUARD,P_PINB(D)::R1(C)
- R(j);N_GUARD::QAR1(J),XR(j)
- R(j);N_GUARD::QAR1(J)
- S(g);N_GUARD::P(G),XP(e)
- Refutation
- R(j);
- Try
- Q(J);CHECK
- Vars
- S(g);SBLOCK,XQ(J)::P(G),XP(e)
- S(k);OGATE,SBLOCK,XQ(J)::R(L),XR(j)
- Refutation
- K(h);S_FLIGHT,XQ(J)
- Try
- P(K);XR(j)
- Threat
- DUALS(4)
- Vars
- Q(i);N_GUARD,P_PINB(D)::R1(C)
- Q(i);N_GUARD::R1(C),XQ(i)
- Q(i);P_PINB(D)::QAR1(J)
- Q(i);N_GUARD::R1(C)
- S(g);N_GUARD::P(G),XP(e)
- S(k);::QAB1(J)
- Refutation
- S(k);
- Try
- Actual
- P(F);
- Threat
- DUALS(2)
- Vars
- R(d);XP(F)::B(D)
- B(a);XP(F)::S(B)
- Q(i);N_GUARD::R1(C),XQ(i)
- Q(i);P_PINB(D)::S(B)
- Q(i);::B(D)
- R(j);N_GUARD::QAR1(J),XR(j)
- S(g);N_GUARD::P(G),XP(e)
- S(k);OGATE::R(L),XR(j)
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).