MESON Chess Problem Database
Problem Display
PID: 198798 (b7/2p5/qb3Bn1/p1r1Rp2/5k2/r1n3RK/p2Np1B1/Q3N3 w - - 0 1)
Marin y Llovet, Valentin
3rd HM., Spanish National Ty., 1921
#2
8 + 13
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Qd3
- 2.Sxd3#
- 1...Qb7
- 2.Sd3#
- 1...Qc8
- 2.Sd3#
- 1...Qa7
- 2.Sd3#
- 1...Rc4
- 2.Sd3#
- 1...Rb5
- 2.Sd3#
- 1...Rd5
- 2.Rf3#
- 1...Rxe5
- 2.Bg5#
- 1...Rc6
- 2.Rf3#
- 1...Bxg2+
- 2.Sxg2#
- 1...Bf3
- 2.Rxf3#
- 1...Sb1
- 2.Bg5#
- 1...Sd1
- 2.Bg5#
- 1...Sa4
- 2.Bg5#
- 1...Sb5
- 2.Bg5#
- 1...Sd5
- 2.Bg5#
- 2.Qd4#
- 1...Sxe5
- 2.Bg5#
- 1...c6
- 2.Rf3#
- 1...Qd3
- Tries
- 1.Sef3?
- threat
- 2.Bg5#
- 1...Bxf3
- 2.Rxf3#
- 1...Se4!
- threat
- 1.Sc4?
- threat
- 2.Sd3#
- 2.Bg5#
- 2.Qc1#
- 1...Bxg2+
- 2.Sxg2#
- 1...Qxc4
- 2.Qc1#
- 1...Rxc4
- 2.Sd3#
- 1...Rxe5
- 2.Sd3#
- 2.Bg5#
- 1...Sxe5
- 2.Bg5#
- 2.Qc1#
- 1...Rb5
- 2.Sd3#
- 2.Bg5#
- 1...Rd5
- 2.Bg5#
- 2.Rf3#
- 1...Rc6
- 2.Sd3#
- 2.Bg5#
- 2.Rf3#
- 1...Be4
- 2.Bg5#
- 2.Qc1#
- 1...Sb1
- 2.Bg5#
- 1...Sd1
- 2.Bg5#
- 1...Sa4
- 2.Bg5#
- 1...Sb5
- 2.Bg5#
- 1...Sd5
- 2.Bg5#
- 2.Qd4#
- 1...Se4!
- threat
- 1.Bf3?
- threat
- 2.Sg2#
- 1...Bxf3
- 2.Rxf3#
- 1...Sh4!
- threat
- 1.Bxa8?
- threat
- 2.Sg2#
- 2.Rf3#
- 1...Qxa8
- 2.Sd3#
- 1...Sxe5
- 2.Sg2#
- 2.Bg5#
- 1...Qd3
- 2.Sg2#
- 2.Sxd3#
- 1...Qb7
- 2.Sd3#
- 1...Sb1
- 2.Sg2#
- 2.Bg5#
- 2.Qd4#
- 1...Sd1
- 2.Sg2#
- 2.Bg5#
- 2.Qd4#
- 1...Sa4
- 2.Sg2#
- 2.Bg5#
- 2.Qd4#
- 1...Se4
- 2.Sg2#
- 1...Sb5
- 2.Sg2#
- 2.Bg5#
- 1...Sd5
- 2.Sg2#
- 2.Bg5#
- 2.Qd4#
- 1...Sh4!
- threat
- 1.Ree3?
- threat
- 2.Bg5#
- 1...Bxg2+
- 2.Sxg2#
- 1...Se4
- 2.Rgf3#
- 1...Be4!
- threat
- 1.Re6?
- threat
- 2.Bg5#
- 1...Bxg2+
- 2.Sxg2#
- 1...Se4!
- threat
- 1.Sef3?
- Keys
- 1.Sb3!
- threat
- 2.Qc1#
- 1...Bxg2+
- 2.Sxg2#
- 1...Rxe5
- 2.Bg5#
- 1...Qd3
- 2.Sxd3#
- 1...Rc4
- 2.Sd3#
- 1...Rb5
- 2.Sd3#
- 1...Rd5
- 2.Rf3#
- 1...Rc6
- 2.Rf3#
- 1...Sb1
- 2.Bg5#
- 1...Sd1
- 2.Bg5#
- 1...Sa4
- 2.Bg5#
- 1...Se4
- 2.Rf3#
- 1...Sb5
- 2.Sd3#
- 2.Bg5#
- 1...Sd5
- 2.Bg5#
- 2.Rf3#
- 2.Qd4#
- threat
- 1.Sb3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 7
- Sets
- Q(i);N_GUARD,P_PINR(E)::S(B),XQ(i)
- Q(i);N_GUARD::S(B)
- R(g);S_CUTQ(i)::S(B)
- R(g);S_CUTB(m)::R1(E)
- R(g);SBLOCK,XR(G)::B(H)
- B(m);CHECK,XB(D)::S(B),XB(m)
- B(m);N_GUARD::R1(E),XB(m)
- S(d);P_PINR(E)::B(H)
- S(k);SBLOCK,XR(G)::B(H)
- P(l);S_CUTB(m)::R1(E)
- Tries
- Try
- S(B);
- Threat
- B(H)
- Vars
- B(m);OGATE,XS(B)::R1(E),XB(m)
- Refutation
- S(d);
- Try
- S(C);
- Threat
- DUALS(3)
- Vars
- B(m);CHECK,XB(D)::S(B),XB(m)
- Q(i);XS(C)::QAB(A)
- R(g);XS(C)::S(B)
- S(d);P_PINR(E)::B(H)
- Refutation
- S(d);P_PINR(E)
- Try
- B(D);
- Threat
- S(B)
- Vars
- B(m);OGATE,XB(D)::R1(E),XB(m)
- Refutation
- S(k);
- Try
- B(D);XB(m)
- Threat
- DUALS(2)
- Vars
- Q(i);N_GUARD,XB(D)::S(B)
- Q(i);N_GUARD::S(B)
- S(d);P_PINR(E)::S(B)
- Refutation
- S(k);
- Try
- R(G);
- Threat
- B(H)
- Vars
- B(m);CHECK,XB(D)::S(B),XB(m)
- S(d);S_CUTB(m)::R1(E)
- Refutation
- B(m);
- Try
- R(G);
- Threat
- B(H)
- Vars
- B(m);CHECK,XB(D)::S(B),XB(m)
- Refutation
- S(d);P_PINR(E)
- Try
- Actual
- S(C);
- Threat
- QAB(A)
- Vars
- B(m);CHECK,XB(D)::S(B),XB(m)
- R(g);SBLOCK,XR(G)::B(H)
- Q(i);N_GUARD,P_PINR(E)::S(B),XQ(i)
- R(g);S_CUTQ(i)::S(B)
- R(g);S_CUTB(m)::R1(E)
- S(d);::B(H)
- S(d);S_CUTB(m)::R1(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).