MESON Chess Problem Database
Problem Display
PID: 194929 (5BK1/rp6/n1P1kp2/1Q1p4/3p1P2/1N1B1p2/3Pb3/q1b1R1R1 w - - 0 1)
Novejarque Iranzo, Francisco
1st Prize, Spanish National Ty., 1918
#2
10 + 11
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Qb1
- 2.Sxd4#
- 1...Qa2
- 2.Sxd4#
- 1...Qa3
- 2.Sxd4#
- 1...Qa5
- 2.Sxd4#
- 1...Sb4
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sc7
- 2.Sc5#
- 1...Sb8
- 2.Sc5#
- 1...f2
- 2.Rxe2#
- 1...f5
- 2.Rg6#
- 1...bxc6
- 2.Qxc6#
- 1...Qb1
- Tries
- 1.Rg5?
- threat
- 2.Bf5#
- 2.Qxd5#
- 1...bxc6
- 2.Bf5#
- 2.Qxc6#
- 1...f5
- 2.Rg6#
- 1...Qb1
- 2.Sxd4#
- 2.Qxd5#
- 1...Qa5
- 2.Sxd4#
- 2.Bf5#
- 1...Sb4
- 2.Sc5#
- 2.Bf5#
- 1...Sc5
- 2.Sxc5#
- 2.Bf5#
- 1...Sc7
- 2.Sc5#
- 2.Bf5#
- 1...fxg5!
- threat
- 1.Qb4?
- threat
- 2.Qd6#
- 2.Qe7#
- 1...Sxb4
- 2.Sc5#
- 1...bxc6
- 2.Qd6#
- 1...Qa3
- 2.Sxd4#
- 1...Sc5
- 2.Sxc5#
- 1...b5
- 2.Qd6#
- 1...b6
- 2.Qd6#
- 1...Ba3!
- threat
- 1.Qc5?
- threat
- 2.Qd6#
- 2.Qe7#
- 1...Sxc5
- 2.Sxc5#
- 1...bxc6
- 2.Qd6#
- 2.Qxc6#
- 1...Qa3
- 2.Sxd4#
- 1...b5
- 2.Qd6#
- 1...b6
- 2.Qd6#
- 1...Ba3!
- threat
- 1.c7?
- threat
- 2.Qe8#
- 2.c8Q#
- 2.c8B#
- 1...Bxd2
- 2.Qe8#
- 2.c8Q#
- 2.c8B#
- 1...Sxc7
- 2.Sc5#
- 1...f5
- 2.Rg6#
- 1...Qb2
- 2.Qe8#
- 2.c8Q#
- 2.c8B#
- 1...Qc3
- 2.Qe8#
- 1...Qb1
- 2.Sxd4#
- 2.Qe8#
- 2.c8Q#
- 2.c8B#
- 1...Qa2
- 2.Sxd4#
- 2.Qe8#
- 2.c8Q#
- 2.c8B#
- 1...Qa3
- 2.Sxd4#
- 2.c8Q#
- 2.c8B#
- 1...Qa4
- 2.c8Q#
- 2.c8B#
- 1...Qa5
- 2.Sxd4#
- 2.Qe8#
- 2.c8Q#
- 2.c8B#
- 1...Bb2
- 2.Qe8#
- 2.c8Q#
- 2.c8B#
- 1...Ba3
- 2.c8Q#
- 2.c8B#
- 1...Sb4
- 2.Sc5#
- 2.Qe8#
- 2.c8Q#
- 2.c8B#
- 1...Sc5
- 2.Sxc5#
- 2.Qe8#
- 1...Sb8
- 2.Sc5#
- 2.Qe8#
- 1...f2
- 2.Rxe2#
- 2.Qe8#
- 2.c8Q#
- 2.c8B#
- 1...b6
- 2.Qc6#
- 2.Qe8#
- 1...Ra8!
- threat
- 1.Rg5?
- Keys
- 1.Be4!
- threat
- 2.Qxd5#
- 1...Bxb5
- 2.Bd3#
- 1...dxe4
- 2.f5#
- 1...bxc6
- 2.Qxc6#
- 1...f5
- 2.Rg6#
- 1...Qa5
- 2.Sxd4#
- 1...Bc4
- 2.Bd3#
- 1...Sb4
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sc7
- 2.Sc5#
- threat
- 1.Be4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 5
- Sets
- Q(a);N_GUARD::S(D),XP(e)
- S(g);N_GUARD::S(D)
- S(g);N_GUARD::S(D),XS(g)
- P(d);N_GUARD::R(A),XB(c)
- P(i);OGATEB::R(B)
- P(k);OGATE,XP(H)::QAR2(G),XP(k)
- Tries
- Try
- R(B);
- Threat
- DUALS(2)
- Vars
- P(i);OGATEB::R(B)
- Refutation
- P(i);XR(B)
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- S(g);N_GUARD,XQ(G)::S(D)
- P(k);XP(H)::QAR1(G)
- Q(a);N_GUARD::S(D),XP(e)
- S(g);N_GUARD::S(D),XS(g)
- P(k);::QAR1(G)
- Refutation
- B(b);
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- S(g);XQ(G)::S(D),XS(g)
- Q(a);N_GUARD::S(D),XP(e)
- P(k);::QAR1(G)
- Refutation
- B(b);
- Try
- P(H);
- Threat
- DUALS(3)
- Vars
- S(g);N_GUARD,XP(H)::S(D)
- P(i);OGATEB::R(B)
- Q(a);::QAR2(G)
- Q(a);::P=Q
- B(b);::P=Q
- Refutation
- R(j);P_PINB(I)
- Try
- Actual
- B(E);N_PINB(c)
- Threat
- QAB1(G),XP(f)
- Vars
- B(c);OGATEB,XQ(G)::R(A)+B(E)
- P(f);XB(E)::P(F)
- P(k);OGATE,XP(H)::QAR2(G),XP(k)
- P(i);OGATEB::R(B)
- Q(a);N_GUARD::S(D),XP(e)
- B(c);OGATEB::R(A)+B(E)
- S(g);N_GUARD::S(D)
- S(g);N_GUARD::S(D),XS(g)
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).