MESON Chess Problem Database
Problem Display
PID: 150029 (2b4K/1r4p1/2r4p/b1NpR3/3kp2N/B5Q1/1P2BPn1/8 w - - 0 1)
Albaina, Alvaro Ignacio
5th HM., Problemas, 1989
#2
9 + 10
| 15148 | Sadier Collection | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Re6
- 2.Sf5#
- 1...Rb3
- 2.Sxb3#
- 1...Rb4
- 2.Qc3#
- 1...Ra7
- 2.Sb3#
- 1...Rc7
- 2.Sb3#
- 1...Rd7
- 2.Sf5#
- 2.Sb3#
- 1...Re7
- 2.Sb3#
- 1...Rf7
- 2.Sb3#
- 1...Bc3
- 2.Qxc3#
- 2.bxc3#
- 1...Bb4
- 2.Sb3#
- 1...Bb6
- 2.Sb3#
- 2.Qc3#
- 1...Bc7
- 2.Qc3#
- 1...Bd8
- 2.Qc3#
- 1...Bf5
- 2.Sxf5#
- 1...Se3
- 2.fxe3#
- 1...e3
- 2.Sf3#
- 1...Re6
- Tries
- 1.Se6+?
- 1...Rxe6
- 2.Sf5#
- 1...Bxe6!
- 1...Rxe6
- 1.Bb4?
- threat
- 2.Sb3#
- 2.Qc3#
- 1...Rxb4
- 2.Qc3#
- 1...Bxb4
- 2.Sb3#
- 1...Sf4
- 2.Qc3#
- 1...Se3
- 2.Sb3#
- 2.fxe3#
- 1...e3
- 2.Sf3#
- 2.Sb3#
- 1...Rxc5!
- threat
- 1.Rf5?
- threat
- 2.Qe5#
- 1...Bxf5
- 2.Sxf5#
- 1...Rb4
- 2.Qc3#
- 1...Bb4
- 2.Sb3#
- 1...Re7
- 2.Sb3#
- 1...Bc7
- 2.Qc3#
- 1...Sf4
- 2.Qe3#
- 1...Re6!
- threat
- 1.Rg5?
- threat
- 2.Qe5#
- 1...Rb4
- 2.Qc3#
- 1...Bb4
- 2.Sb3#
- 1...Re6
- 2.Sf5#
- 1...Re7
- 2.Sb3#
- 1...Bc7
- 2.Qc3#
- 1...Bf5
- 2.Sxf5#
- 1...Sf4
- 2.Qe3#
- 1...hxg5!
- threat
- 1.Rh5?
- threat
- 2.Qe5#
- 1...Rb4
- 2.Qc3#
- 1...Bb4
- 2.Sb3#
- 1...Re6
- 2.Sf5#
- 1...Re7
- 2.Sb3#
- 1...Bc7
- 2.Qc3#
- 1...Bf5
- 2.Sxf5#
- 1...Sf4
- 2.Qe3#
- 1...g5!
- threat
- 1.Re6?
- threat
- 2.Sf5#
- 2.Qe5#
- 1...Rxe6
- 2.Sf5#
- 1...Sxh4
- 2.Qe5#
- 2.Qe3#
- 1...Rb4
- 2.Qc3#
- 1...Bb4
- 2.Sb3#
- 1...Rf7
- 2.Sb3#
- 2.Qe5#
- 1...Bc7
- 2.Sf5#
- 2.Qc3#
- 1...Se3
- 2.Qe5#
- 2.Qxe3#
- 2.fxe3#
- 1...Sf4
- 2.Sf5#
- 2.Qe3#
- 1...g6
- 2.Qe5#
- 1...Bxe6!
- threat
- 1.Re8?
- threat
- 2.Qe5#
- 1...Rb4
- 2.Qc3#
- 1...Bb4
- 2.Sb3#
- 1...Re6
- 2.Sf5#
- 1...Re7
- 2.Sb3#
- 1...Bc7
- 2.Qc3#
- 1...Sf4
- 2.Qe3#
- 1...Be6!
- threat
- 1.Se6+?
- Keys
- 1.Re7!
- threat
- 2.Qe5#
- 1...Rxe7
- 2.Sb3#
- 1...Rb4
- 2.Qc3#
- 1...Bb4
- 2.Sb3#
- 1...Re6
- 2.Sf5#
- 1...Bc7
- 2.Qc3#
- 1...Be6
- 2.Qxg7#
- 1...Sf4
- 2.Qe3#
- threat
- 1.Re7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 8
- Sets
- R(f);S_CUTB(j)::S(F)
- R(h);N_GUARD::S(G),XR(h)
- R(h);S_CUTB(d)::QAB1(E)
- R(h);N_GUARD::S(G)
- B(d);S_CUTR(h)::S(G)
- B(d);N_GUARD::QAB1(E)
- B(j);N_GUARD::S(F),XB(j)
- S(a);OGATE::P(C),XS(a)
- P(c);N_GUARD::S(F)
- Tries
- Try
- S(G);CHECK
- Vars
- R(f);XS(G)::S(F)
- Refutation
- B(j);XS(G)
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- R(h);XB(D)::QAB1(E)
- B(d);XB(D)::S(G)
- S(a);::QAB1(E)
- Refutation
- R(f);XS(G)
- Try
- R(H);
- Threat
- QAB1(E)
- Vars
- B(j);XR(H)::S(F),XB(j)
- R(h);S_CUTB(d)::QAB1(E)
- B(d);S_CUTR(h)::S(G)
- R(h);N_GUARD::S(G)
- B(d);N_GUARD::QAB1(E)
- S(a);N_GUARD::QAB1(E)
- Refutation
- R(f);
- Try
- R(H);
- Threat
- QAB1(E)
- Vars
- R(h);S_CUTB(d)::QAB1(E)
- B(d);S_CUTR(h)::S(G)
- R(f);S_CUTB(j)::S(F)
- R(h);N_GUARD::S(G)
- B(d);N_GUARD::QAB1(E)
- B(j);N_GUARD::S(F),XB(j)
- S(a);N_GUARD::QAB1(E)
- Refutation
- P(g);XR(H)
- Try
- R(H);
- Threat
- QAB1(E)
- Vars
- R(h);S_CUTB(d)::QAB1(E)
- B(d);S_CUTR(h)::S(G)
- R(f);S_CUTB(j)::S(F)
- R(h);N_GUARD::S(G)
- B(d);N_GUARD::QAB1(E)
- B(j);N_GUARD::S(F),XB(j)
- S(a);N_GUARD::QAB1(E)
- Refutation
- P(i);
- Try
- R(H);
- Threat
- DUALS(2)
- Vars
- R(f);XR(H)::S(F)
- R(h);S_CUTB(d)::QAB1(E)
- B(d);S_CUTR(h)::S(G)
- P(i);::QAB1(E)
- Refutation
- B(j);XR(H)
- Try
- R(H);
- Threat
- QAB1(E)
- Vars
- R(h);S_CUTB(d)::QAB1(E)
- B(d);S_CUTR(h)::S(G)
- R(f);S_CUTB(j)::S(F)
- R(h);N_GUARD::S(G)
- B(d);N_GUARD::QAB1(E)
- S(a);N_GUARD::QAB1(E)
- Refutation
- B(j);
- Try
- Actual
- R(H);
- Threat
- QAB1(E)
- Vars
- R(h);N_GUARD,XR(H)::S(G)
- R(h);S_CUTB(d)::QAB1(E)
- B(d);S_CUTR(h)::S(G)
- R(f);S_CUTB(j)::S(F)
- B(d);N_GUARD::QAB1(E)
- B(j);S_CUTR(f)::QAB(E),XP(i)
- S(a);N_GUARD::QAB1(E)
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).