MESON Chess Problem Database
Problem Display
PID: 118469 (3Q4/2p1NK2/2Pp1N2/2P1pP2/R1Pk2pR/8/3BP3/8 w - - 0 1)
Salazar Lopez, Francisco
Sinfonie Scacchistiche, 1968
#2
12 + 5
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Kxc5
- 2.Be3#
- 1...d5
- 2.Qxd5#
- 1...Kxc5
- Tries
- 1.Ke6?
- 1...Kxc5
- 2.Be3#
- 1...d5
- 2.Qxd5#
- 1...e4!
- 1...Kxc5
- 1.Kg6?
- 1...Kxc5
- 2.Be3#
- 1...d5
- 2.Qxd5#
- 1...e4!
- 1...Kxc5
- 1.Kg7?
- 1...Kxc5
- 2.Be3#
- 1...d5
- 2.Qxd5#
- 1...e4!
- 1...Kxc5
- 1.Ke8?
- 1...Kxc5
- 2.Be3#
- 1...d5
- 2.Qxd5#
- 1...e4!
- 1...Kxc5
- 1.Kf8?
- 1...Kxc5
- 2.Be3#
- 1...d5
- 2.Qxd5#
- 1...e4!
- 1...Kxc5
- 1.Kg8?
- 1...Kxc5
- 2.Be3#
- 1...d5
- 2.Qxd5#
- 1...e4!
- 1...Kxc5
- 1.Se4?
- 1...Kxe4
- 2.Rxg4#
- 1...d5
- 2.Qxd5#
- 2.cxd5#
- 1...g3!
- 1...Kxe4
- 1.Sxg4?
- 1...Ke4
- 2.Sf2#
- 2.Sh2#
- 2.Se3#
- 2.Sf6#
- 2.Sh6#
- 1...Kxc5
- 2.Be3#
- 1...d5
- 2.Qxd5#
- 1...e4!
- 1...Ke4
- 1.Sfd5?
- 1...Ke4
- 2.Rxg4#
- 1...Kxc5
- 2.Be3#
- 1...dxc5
- 2.Sc3#
- 2.Sf6#
- 1...e4!
- 1...Ke4
- 1.Sh5?
- 1...Ke4
- 2.Rxg4#
- 1...Kxc5
- 2.Be3#
- 1...d5
- 2.Qxd5#
- 1...e4!
- 1...Ke4
- 1.Sh7?
- 1...Ke4
- 2.Rxg4#
- 1...Kxc5
- 2.Be3#
- 1...d5
- 2.Qxd5#
- 1...e4!
- 1...Ke4
- 1.Se8?
- 1...Ke4
- 2.Rxg4#
- 1...Kxc5
- 2.Be3#
- 1...d5
- 2.Qxd5#
- 1...e4!
- 1...Ke4
- 1.Sfg8?
- 1...Ke4
- 2.Rxg4#
- 1...Kxc5
- 2.Be3#
- 1...d5
- 2.Qxd5#
- 1...e4!
- 1...Ke4
- 1.Rxg4+?
- 1...Kxc5
- 2.Sd7#
- 2.Be3#
- 1...e4!
- 1...Kxc5
- 1.Qxc7?
- threat
- 2.Qxd6#
- 1...Kxc5
- 2.Be3#
- 2.Qa7#
- 1...dxc5
- 2.Qd6#
- 2.Qd8#
- 2.Qd7#
- 1...d5!
- threat
- 1.Qd7?
- 1...Kxc5
- 2.Be3#
- 1...d5
- 2.Qxd5#
- 1...e4!
- 1...Kxc5
- 1.Qh8?
- 1...Kxc5
- 2.Be3#
- 1...dxc5
- 2.Qd8#
- 1...e4
- 2.Sd7#
- 1...d5!
- 1...Kxc5
- 1.e3+?
- 1...Kxc5
- 2.Sd7#
- 1...Kd3!
- 1...Kxc5
- 1.cxd6?
- 1...Kc5
- 2.Be3#
- 1...cxd6
- 2.Qb6#
- 2.Qxd6#
- 1...e4!
- 1...Kc5
- 1.Ke6?
- Keys
- 1.Sd7!
- 1...Ke4
- 2.Rxg4#
- 1...dxc5
- 2.Sf6#
- 1...e4
- 2.Qh8#
- 1...d5
- 2.cxd5#
- 1...Ke4
- 1.Sd7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- K(a);N_SPINP(b),S_FLIGHT,XP(F)::B(A)
- P(d);OGATE::QAR1(L),XP(d)
- Tries
- Try
- K(K);S_FLIGHT
- Vars
- K(a);N_SPINP(b),S_FLIGHT,XP(F)::B(A)
- P(d);OGATE::QAR1(L),XP(d)
- Refutation
- P(c);N_SPINP(b),P_SPINP(d)
- Try
- K(K);S_FLIGHT
- Vars
- K(a);N_SPINP(b),S_FLIGHT,XP(F)::B(A)
- P(d);OGATE::QAR1(L),XP(d)
- Refutation
- P(c);N_SPINP(b),P_SPINP(d)
- Try
- K(K);P-FLIGHT
- Vars
- K(a);N_SPINP(b),S_FLIGHT,XP(F)::B(A)
- P(d);OGATE::QAR1(L),XP(d)
- Refutation
- P(c);N_SPINP(b),P_SPINP(d)
- Try
- K(K);S_FLIGHT
- Vars
- K(a);N_SPINP(b),S_FLIGHT,XP(F)::B(A)
- P(d);OGATE::QAR1(L),XP(d)
- Refutation
- P(c);N_SPINP(b),P_SPINP(d)
- Try
- K(K);P-FLIGHT
- Vars
- K(a);N_SPINP(b),S_FLIGHT,XP(F)::B(A)
- P(d);OGATE::QAR1(L),XP(d)
- Refutation
- P(c);N_SPINP(b),P_SPINP(d)
- Try
- K(K);S_FLIGHT
- Vars
- K(a);N_SPINP(b),S_FLIGHT,XP(F)::B(A)
- P(d);OGATE::QAR1(L),XP(d)
- Refutation
- P(c);N_SPINP(b),P_SPINP(d)
- Try
- S(I);N_PINP(b),P_PINP(d)
- Vars
- K(a);N_SPINP(d),OGATEB,P-FLIGHT,P_SPINP(b),XS(I)::R(E),XP(b)
- Refutation
- P(b);
- Try
- S(I);P_PINP(d),XP(b)
- Vars
- K(a);N_SPINP(d),S_FLIGHT,XP(F)::B(A)
- P(d);OGATE::QAR1(L),XP(d)
- Refutation
- P(c);
- Try
- S(I);
- Vars
- K(a);P-FLIGHT::R(E),XP(b)
- K(a);N_SPINP(b),S_FLIGHT,XP(F)::B(A)
- Refutation
- P(c);N_SPINP(b)
- Try
- S(I);
- Vars
- K(a);P-FLIGHT::R(E),XP(b)
- K(a);N_SPINP(b),S_FLIGHT,XP(F)::B(A)
- P(d);OGATE::QAR1(L),XP(d)
- Refutation
- P(c);N_SPINP(b),P_SPINP(d)
- Try
- S(I);
- Vars
- K(a);P-FLIGHT::R(E),XP(b)
- K(a);N_SPINP(b),S_FLIGHT,XP(F)::B(A)
- P(d);OGATE::QAR1(L),XP(d)
- Refutation
- P(c);N_SPINP(b),P_SPINP(d)
- Try
- S(I);
- Vars
- K(a);P-FLIGHT::R(E),XP(b)
- K(a);N_SPINP(b),S_FLIGHT,XP(F)::B(A)
- P(d);OGATE::QAR1(L),XP(d)
- Refutation
- P(c);N_SPINP(b),P_SPINP(d)
- Try
- S(I);
- Vars
- K(a);P-FLIGHT::R(E),XP(b)
- K(a);N_SPINP(b),S_FLIGHT,XP(F)::B(A)
- P(d);OGATE::QAR1(L),XP(d)
- Refutation
- P(c);N_SPINP(b),P_SPINP(d)
- Try
- R(E);CHECK,P_PINP(d),XP(b)
- Refutation
- P(c);N_SPINP(d),P_SPINP(c)
- Try
- Q(L);XP(e)
- Threat
- QAR2(L),XP(d)
- Refutation
- P(d);
- Try
- Q(L);
- Vars
- K(a);N_SPINP(b),S_FLIGHT,XP(F)::B(A)
- P(d);OGATE::QAR1(L),XP(d)
- Refutation
- P(c);N_SPINP(b),P_SPINP(d)
- Try
- Q(L);
- Vars
- K(a);N_SPINP(b),S_FLIGHT,XP(F)::B(A)
- P(d);OGATEB,SBLOCK,XP(F)::QAR(L)
- P(c);N_SPINP(b),SBLOCK::QAB(L)+S(I)
- Refutation
- P(d);
- Try
- P(B);CHECK
- Vars
- K(a);N_SPINP(b),S_FLIGHT,XP(F)::S(I)
- Refutation
- K(a);N_SPINP(b),P-FLIGHT,P_SPINP(d)
- Try
- P(F);XP(d)
- Vars
- K(a);N_SPINP(b),S_FLIGHT::B(A)
- Refutation
- P(c);N_SPINP(b)
- Try
- Actual
- S(I);
- Vars
- K(a);P-FLIGHT::R(E),XP(b)
- P(d);SBLOCK,XP(F)::QAR(L)+S(I)
- P(c);N_SPINP(b),OGATEB,SBLOCK::QAB(L)
- P(d);OGATE::R(C)+P(D),XP(d)
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).