MESON Chess Problem Database
Problem Display
PID: 175409 (8/2Q2b2/3n1N2/P3b3/2pPPk2/6Rp/1RB4B/K3N3 w - - 0 1)
Riera y Rique, Pedro
Problemes d'Echecs, 1899
#2
11 + 6
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Bd5
- 2.Sxd5#
- 2.Sh5#
- 1...Bh5
- 2.Sd5#
- 2.Sxh5#
- 1...Be6
- 2.Sh5#
- 1...Bg6
- 2.Sd5#
- 1...Be8
- 2.Sd5#
- 1...Bg8
- 2.Sh5#
- 1...Sxe4
- 2.Qxe5#
- 1...Sb5
- 2.Qxe5#
- 1...Sf5
- 2.Qxe5#
- 1...Sb7
- 2.Qxe5#
- 1...Sc8
- 2.Qxe5#
- 1...Se8
- 2.Qxe5#
- 1...c3
- 2.Sd3#
- 1...Bd5
- Tries
- 1.Bb1?
- threat
- 2.Rf2#
- 1...Sxe4
- 2.Qxe5#
- 1...Bh5
- 2.Sd5#
- 2.Sxh5#
- 1...Bxd4!
- threat
- 1.Bd3?
- threat
- 2.Rf2#
- 1...Sxe4
- 2.Qxe5#
- 1...Bh5
- 2.Sd5#
- 2.Sxh5#
- 1...Bxd4!
- threat
- 1.Rbb3?
- threat
- 2.Rbf3#
- 2.Rg1#
- 2.Rg2#
- 2.Rg4#
- 2.Rg6#
- 2.Rg7#
- 2.Rg8#
- 1...Bxf6
- 2.Rbf3#
- 2.Rg1#
- 2.Rg2#
- 2.Rg6#
- 2.Rg7#
- 2.Rg8#
- 1...Sxe4
- 2.Rbf3#
- 2.Qxe5#
- 1...cxb3
- 2.Sd3#
- 1...Bh5
- 2.Sd5#
- 2.Sxh5#
- 2.Rg1#
- 2.Rg2#
- 2.Rg4#
- 2.Rg6#
- 2.Rg7#
- 2.Rg8#
- 1...Bg6
- 2.Sd5#
- 2.Rbf3#
- 2.Rg1#
- 2.Rg2#
- 2.Rg4#
- 2.Rxg6#
- 1...Bg8
- 2.Sh5#
- 2.Rbf3#
- 2.Rg1#
- 2.Rg2#
- 2.Rg4#
- 2.Rg6#
- 2.Rg7#
- 2.Rxg8#
- 1...Sf5
- 2.Rbf3#
- 2.Rg4#
- 2.Qxe5#
- 1...c3
- 2.Sd3#
- 1...Bxd4+!
- threat
- 1.Qxc4?
- threat
- 2.Sd3#
- 2.Qf1#
- 1...Bxd4
- 2.Sd3#
- 1...Bxf6
- 2.Qf1#
- 1...Bxc4
- 2.Sh5#
- 1...Sxc4
- 2.Sd3#
- 1...Bh5
- 2.Sd3#
- 2.Sd5#
- 2.Sxh5#
- 1...Sxe4!
- threat
- 1.Qc5?
- threat
- 2.Qxe5#
- 1...Bxd4
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Rf3#
- 2.Rxh3#
- 2.Qg5#
- 1...Bd5
- 2.Sxd5#
- 2.Sh5#
- 1...Bxf6!
- threat
- 1.Qd7?
- threat
- 2.Qg4#
- 1...Bh5
- 2.Sd5#
- 2.Sxh5#
- 1...Be6
- 2.Sh5#
- 1...Sf5
- 2.Qxf5#
- 1...Bxd4!
- threat
- 1.Bb1?
- Keys
- 1.Rb5!
- 1...Bxd4+
- 2.Rc3#
- 1...Bxf6
- 2.Rf5#
- 1...Sxe4
- 2.Qxe5#
- 1...Sxb5
- 2.Qxe5#
- 1...Bd5
- 2.Sxd5#
- 2.Sh5#
- 1...Bh5
- 2.Sd5#
- 2.Sxh5#
- 1...Be6
- 2.Sh5#
- 1...Bg6
- 2.Sd5#
- 1...Be8
- 2.Sd5#
- 1...Bg8
- 2.Sh5#
- 1...Sf5
- 2.Qxe5#
- 1...Sb7
- 2.Qxe5#
- 1...Sc8
- 2.Qxe5#
- 1...Se8
- 2.Qxe5#
- 1...c3
- 2.Sd3#
- 1...Bxd4+
- 1.Rb5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(f);N_GUARD::S(J)
- S(e);OGATE,P_SPINB(d),XP(H)::QAB1(K),XB(d)
- S(e);OGATE,P_SPINB(d)::QAB1(K),XB(d)
- P(b);N_GUARD::S(B)
- Tries
- Try
- B(D);
- Threat
- R(C)
- Vars
- S(e);OGATE,P_SPINB(d),XP(H)::QAB1(K),XB(d)
- Refutation
- B(d);P_PINR(C),P_SPINS(e),XP(G)
- Try
- B(D);
- Threat
- R(C)
- Vars
- S(e);OGATE,P_SPINB(d),XP(H)::QAB1(K),XB(d)
- Refutation
- B(d);P_PINR(C),P_SPINS(e),XP(G)
- Try
- R(C);P_SPINP(G)
- Threat
- DUALS(7)
- Vars
- P(b);N_GUARD,XR(C)::S(B)
- P(b);N_GUARD,N_PINP(G)::S(B)
- Refutation
- B(d);CHECK,P_SPINS(e),XP(G)
- Try
- Q(K);XP(b)
- Threat
- DUALS(2)
- Vars
- B(d);P_PINR(C),XP(G)::S(B)
- B(d);XS(J)::QAR(K)
- B(f);N_GUARD,XQ(K)::S(J)
- S(e);XQ(K)::S(B)
- Refutation
- S(e);XP(H)
- Try
- Q(K);
- Threat
- QAB1(K),XB(d)
- Refutation
- B(d);XS(J)
- Try
- Q(K);
- Threat
- QAR1(K)
- Vars
- B(f);N_GUARD::S(J)
- S(e);N_GUARD::QAR1(K),XS(e)
- Refutation
- B(d);P_PINR(C),XP(G)
- Try
- Actual
- R(C);P_SPINP(G)
- Vars
- B(d);CHECK,P_SPINS(e),XP(G)::B(E)+R(F)
- B(d);OGATE,P_SPINS(e),XS(J)::R1(C)
- S(e);OGATE,P_SPINB(d),XP(H)::QAB1(K),XB(d)
- S(e);OGATE,P_SPINB(d),XR(C)::QAB1(K),XB(d)
- B(f);N_GUARD::S(J)
- S(e);OGATE,P_SPINB(d)::QAB1(K),XB(d)
- P(b);N_GUARD,N_PINP(G)::S(B)
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).