MESON Chess Problem Database
Problem Display
PID: 15217 (2B1R1n1/K5Qp/4pBp1/5k1p/3ppnR1/4PN2/b3pN1q/3r2r1 w - - 0 1)
Zajic, Helmut
4th Prize, Die Schwalbe, 1981/I
#2
9 + 14
| 3752 | FIDE Album (1980-1982) | 1988 |
| 14730 | Problempalette II (Chlubna/Wenda) | 1991 |
| 56 | The Problemist | 2010 |
SOLUTION
- SOUND
- Sets
- 1...Qh1
- 2.Rxf4#
- 1...Qxf2
- 2.Rxf4#
- 1...Qg2
- 2.Sh4#
- 2.Rxf4#
- 1...Qh3
- 2.Rxf4#
- 1...Qh4
- 2.Sxh4#
- 1...Ra1
- 2.Sxd4#
- 1...Rb1
- 2.Sxd4#
- 1...Rc1
- 2.Sxd4#
- 1...Rde1
- 2.Sxd4#
- 1...Rdf1
- 2.Sxd4#
- 1...Rge1
- 2.Rg5#
- 1...Rgf1
- 2.Rg5#
- 1...Rh1
- 2.Rg5#
- 1...Rg3
- 2.Rxf4#
- 1...Sg2
- 2.Rg5#
- 1...Sd3
- 2.Sxd4#
- 1...Sh3
- 2.Sh4#
- 1...Sd5
- 2.Bxe6#
- 1...d3
- 2.Sd4#
- 1...exf3
- 2.e4#
- 1...g5
- 2.Qxg5#
- 1...Qh1
- Tries
- 1.Bxd4?
- threat
- 2.Qe5#
- 1...Qxf2
- 2.Rxf4#
- 1...Sg2
- 2.Rg5#
- 1...Sh3
- 2.Sh4#
- 1...Sd5
- 2.Bxe6#
- 1...Sf6
- 2.Qxf6#
- 1...g5
- 2.Qxg5#
- 1...Sd3!
- threat
- 1.Bh4?
- threat
- 2.Qe5#
- 1...Qxf2
- 2.Rxf4#
- 1...exf3
- 2.e4#
- 1...Sg2
- 2.Rg5#
- 1...Sd3
- 2.Sxd4#
- 1...Sd5
- 2.Bxe6#
- 1...Sf6
- 2.Qxf6#
- 1...g5
- 2.Qxg5#
- 1...Sh3!
- threat
- 1.Bg5?
- threat
- 2.Qe5#
- 1...Qxf2
- 2.Rxf4#
- 1...exf3
- 2.e4#
- 1...Sd3
- 2.Sxd4#
- 1...Sh3
- 2.Sh4#
- 1...Sd5
- 2.Bxe6#
- 1...Sf6
- 2.Qxf6#
- 1...Sg2!
- threat
- 1.Be7?
- threat
- 2.Qe5#
- 1...Qxf2
- 2.Rxf4#
- 1...exf3
- 2.e4#
- 1...Sg2
- 2.Rg5#
- 1...Sd3
- 2.Sxd4#
- 1...Sh3
- 2.Sh4#
- 1...Sf6
- 2.Qxf6#
- 1...g5
- 2.Qxg5#
- 1...Sd5!
- threat
- 1.Bxd4?
- Keys
- 1.Bd8!
- threat
- 2.Qe5#
- 1...Qxf2
- 2.Rxf4#
- 1...exf3
- 2.e4#
- 1...Sg2
- 2.Rg5#
- 1...Sd3
- 2.Sxd4#
- 1...Sh3
- 2.Sh4#
- 1...Sd5
- 2.Bxe6#
- 1...Sf6
- 2.Qxf6#
- 1...g5
- 2.Qxg5#
- threat
- 1.Bd8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 13
- Sets
- Q(e);N_GUARD::R1(D),XS(h)
- Q(e);N_GUARD,XS(A)::R1(D),XS(h)
- Q(e);N_GUARD::S(C),XQ(e)
- R(a);N_GUARD::S(C),XP(f)
- R(b);N_GUARD::R1(D)
- R(b);S_CUTQ(e)::R1(D),XS(h)
- S(h);S_CUTR(b)::R1(D)
- S(h);S_CUTR(a)::S(C),XP(f)
- S(h);S_CUTQ(e)::S(C)
- S(h);N_GUARD,S_CUTB(c)::B(H),XP(k)
- P(f);S_CUTR(a)::S(C)
- P(g);OGATE,XS(C)::P(B)
- P(l);OGATE::QAR1(G),XP(l)
- Tries
- Try
- B(E);XP(f)
- Threat
- QAR1(G)
- Vars
- Q(e);N_GUARD,XS(A)::R1(D),XS(h)
- S(h);S_CUTR(b)::R1(D)
- S(h);S_CUTQ(e)::S(C)
- S(h);N_GUARD,S_CUTB(c)::B(H),XP(k)
- S(n);N_GUARD::QAR1(G),XS(n)
- P(l);OGATE::QAR1(G),XP(l)
- Refutation
- S(h);
- Try
- B(E);
- Threat
- QAR1(G)
- Vars
- Q(e);N_GUARD,XS(A)::R1(D),XS(h)
- P(g);OGATE,XS(C)::P(B)
- S(h);S_CUTR(b)::R1(D)
- S(h);S_CUTR(a)::S(C),XP(f)
- S(h);N_GUARD,S_CUTB(c)::B(H),XP(k)
- S(n);N_GUARD::QAR1(G),XS(n)
- P(l);OGATE::QAR1(G),XP(l)
- Refutation
- S(h);
- Try
- B(E);
- Threat
- QAR1(G)
- Vars
- Q(e);N_GUARD,XS(A)::R1(D),XS(h)
- P(g);OGATE,XS(C)::P(B)
- S(h);S_CUTR(a)::S(C),XP(f)
- S(h);S_CUTQ(e)::S(C)
- S(h);N_GUARD,S_CUTB(c)::B(H),XP(k)
- S(n);N_GUARD::QAR1(G),XS(n)
- Refutation
- S(h);
- Try
- B(E);
- Threat
- QAR1(G)
- Vars
- Q(e);N_GUARD,XS(A)::R1(D),XS(h)
- P(g);OGATE,XS(C)::P(B)
- S(h);S_CUTR(b)::R1(D)
- S(h);S_CUTR(a)::S(C),XP(f)
- S(h);S_CUTQ(e)::S(C)
- S(n);N_GUARD::QAR1(G),XS(n)
- P(l);OGATE::QAR1(G),XP(l)
- Refutation
- S(h);
- Try
- Actual
- B(E);
- Threat
- QAR1(G)
- Vars
- Q(e);N_GUARD,XS(A)::R1(D),XS(h)
- P(g);OGATE,XS(C)::P(B)
- S(h);S_CUTR(b)::R1(D)
- S(h);S_CUTR(a)::S(C),XP(f)
- S(h);S_CUTQ(e)::S(C)
- S(h);N_GUARD,S_CUTB(c)::B(H),XP(k)
- S(n);N_GUARD::QAR1(G),XS(n)
- P(l);OGATE::QAR1(G),XP(l)
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).