MESON Chess Problem Database
Problem Display
PID: 179938 (r3k3/P3p2P/2P5/1B1N1R1K/4p3/8/1qpP1p2/4QRN1 w - - 0 1)
Gross, Erwin
Kovacevic, Marjan
Nosanovsky, Leonid
Shedey, Sergey Oleksandrovich
1st Comm., Die Schwalbe 154. TT, 1974
#2
11 + 7
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Kd8
- 2.Rf8#
- 1...Qa1
- 2.c7#
- 1...Qc1
- 2.c7#
- 2.h8Q#
- 2.h8R#
- 1...Qa3
- 2.c7#
- 2.h8Q#
- 2.h8R#
- 1...Qd4
- 2.c7#
- 1...Qe5
- 2.c7#
- 1...Qg7
- 2.c7#
- 1...Qh8
- 2.c7#
- 1...Qb1
- 2.h8Q#
- 2.h8R#
- 1...Qa2
- 2.c7#
- 2.h8Q#
- 2.h8R#
- 1...Qb3
- 2.h8Q#
- 2.h8R#
- 1...Qb4
- 2.h8Q#
- 2.h8R#
- 1...Qxb5
- 2.h8Q#
- 2.h8R#
- 1...Rb8
- 2.axb8Q#
- 2.axb8R#
- 1...Rd8
- 2.Sc7#
- 1...fxe1Q
- 2.Rf8#
- 1...fxe1S
- 2.Rf8#
- 1...fxe1B
- 2.Rf8#
- 1...fxe1R
- 2.Rf8#
- 1...fxg1Q
- 2.Rf8#
- 1...fxg1S
- 2.Rf8#
- 1...fxg1B
- 2.Rf8#
- 1...fxg1R
- 2.Rf8#
- 1...e5
- 2.h8Q#
- 2.h8R#
- 1...Kd8
- Tries
- 1.R1xf2?
- threat
- 2.Rf8#
- 1...Kd8
- 2.Rf8#
- 1...Qe5
- 2.c7#
- 1...Qg7
- 2.c7#
- 1...Qh8
- 2.c7#
- 1...Qf6!
- threat
- 1.Qxf2?
- threat
- 2.Rf8#
- 1...Kd8
- 2.Rf8#
- 1...Qe5
- 2.c7#
- 1...Qg7
- 2.c7#
- 1...Qh8
- 2.c7#
- 1...Qf6!
- threat
- 1.R1xf2?
- Keys
- 1.d4!
- threat
- 2.h8Q#
- 2.h8R#
- 1...Kd8
- 2.Rf8#
- 2.h8Q#
- 2.h8R#
- 1...Qxd4
- 2.c7#
- 1...Qxb5
- 2.h8Q#
- 2.h8R#
- 1...Rxa7
- 2.h8Q#
- 2.h8R#
- 1...fxe1Q
- 2.Rf8#
- 2.h8Q#
- 2.h8R#
- 1...fxe1S
- 2.Rf8#
- 2.h8Q#
- 2.h8R#
- 1...fxe1B
- 2.Rf8#
- 2.h8Q#
- 2.h8R#
- 1...fxe1R
- 2.Rf8#
- 2.h8Q#
- 2.h8R#
- 1...fxg1Q
- 2.Rf8#
- 1...fxg1S
- 2.Rf8#
- 2.h8Q#
- 2.h8R#
- 1...fxg1B
- 2.Rf8#
- 2.h8Q#
- 2.h8R#
- 1...fxg1R
- 2.Rf8#
- 1...exd4 ep
- 2.Qxe7#
- 1...c1Q
- 2.h8Q#
- 2.h8R#
- 1...c1S
- 2.h8Q#
- 2.h8R#
- 1...c1B
- 2.h8Q#
- 2.h8R#
- 1...c1R
- 2.h8Q#
- 2.h8R#
- 1...Qa1
- 2.c7#
- 2.h8Q#
- 2.h8R#
- 1...Qc1
- 2.c7#
- 2.h8Q#
- 2.h8R#
- 1...Qa3
- 2.c7#
- 2.h8Q#
- 2.h8R#
- 1...Qc3
- 2.h8Q#
- 2.h8R#
- 1...Qb1
- 2.h8Q#
- 2.h8R#
- 1...Qa2
- 2.c7#
- 2.h8Q#
- 2.h8R#
- 1...Qb3
- 2.h8Q#
- 2.h8R#
- 1...Qb4
- 2.h8Q#
- 2.h8R#
- 1...Rb8
- 2.axb8Q#
- 2.axb8R#
- 2.h8Q#
- 2.h8R#
- 1...Rc8
- 2.h8Q#
- 2.h8R#
- 1...Rd8
- 2.Sc7#
- 2.h8Q#
- 2.h8R#
- 1...e3
- 2.h8Q#
- 2.h8R#
- 1...e5
- 2.h8Q#
- 2.h8R#
- 1...e6
- 2.h8Q#
- 2.h8R#
- threat
- 1.d4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 12
- Sets
- K(g);P-FLIGHT::R(G)
- Q(a);N_GUARD::B(E)+P(I)
- Q(a);N_GUARD,P_PINR(G)::B(E)+P(I)
- Q(a);N_GUARD,P_PINP(K)::B(E)+P(I)
- Q(a);N_GUARD::P=Q
- Q(a);N_GUARD,XB(E)::P=Q
- R(f);OGATE::PXR(f)=Q
- R(f);SBLOCK::S(F)
- P(c);XQ(A)::R1(G)
- P(c);XS(C)::R1(G)
- P(e);S_CUTQ(a)::P=Q
- Tries
- Try
- R(B);XP(c)
- Threat
- R1(G)
- Vars
- K(g);P-FLIGHT::R(G)
- Q(a);N_GUARD,P_PINR(G)::B(E)+P(I)
- Q(a);N_GUARD::B(E)+P(I)
- Q(a);N_GUARD,P_PINP(K)::B(E)+P(I)
- Refutation
- Q(a);
- Try
- Q(A);XP(c)
- Threat
- R1(G)
- Vars
- K(g);P-FLIGHT::R(G)
- Q(a);N_GUARD,P_PINR(G)::B(E)+P(I)
- Q(a);N_GUARD::B(E)+P(I)
- Q(a);N_GUARD,P_PINP(K)::B(E)+P(I)
- Refutation
- Q(a);
- Try
- Actual
- P(D);
- Threat
- P=Q
- Vars
- Q(a);N_GUARD,XP(D)::B(E)+P(I)
- Q(a);XB(E)::P=Q
- R(f);XP(J)::P=Q
- P(c);XS(C)::R1(G)
- P(d);EP,OGATE,P_SPINP(e),XP(D)::QAR1(A),XP(e)
- P(b);::P=Q
- Q(a);::P=Q
- R(f);::P=Q
- P(d);::P=Q
- P(e);::P=Q
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).