MESON Chess Problem Database
Problem Display
PID: 12290 (1r5n/b3pn1K/4pB1R/1p3kpR/6p1/3P1N2/Q5N1/7r w - - 0 1)
Goldschmeding, Cornelis
1/2 Prize, Probleemblad, 1977
#2
8 + 11
| 3750 | FIDE Album (1977-1979) | 1984 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sfh4#
- 1...Rb1
- 2.Sfh4#
- 1...Rc1
- 2.Sfh4#
- 1...Rd1
- 2.Sfh4#
- 1...Re1
- 2.Sfh4#
- 1...Rf1
- 2.Sfh4#
- 1...Rg1
- 2.Sfh4#
- 1...Rh4
- 2.Sfxh4#
- 1...Rb6
- 2.Sd4#
- 1...Bd4
- 2.Sxd4#
- 1...Se5
- 2.Rxg5#
- 1...Sd6
- 2.Rxg5#
- 1...Sd8
- 2.Rxg5#
- 1...Ra1
- Tries
- 1.Be5?
- threat
- 2.Qxe6#
- 1...Sxh6
- 2.Rxg5#
- 1...Rb6
- 2.Se3#
- 1...Sd8
- 2.Rxg5#
- 1...Sg6!
- threat
- 1.Bxg5?
- threat
- 2.Qxe6#
- 1...Sxg5+
- 2.Rxg5#
- 1...Sxh6
- 2.Bh4#
- 1...Re1
- 2.Sgh4#
- 1...Rb6
- 2.Se3#
- 1...Sd8
- 2.Bh4#
- 1...e5
- 2.Qe6#
- 1...Sg6!
- threat
- 1.Bxe7?
- threat
- 2.Rf6#
- 2.Qxe6#
- 1...Rxh5
- 2.Qxe6#
- 1...Sxh6
- 2.Rxg5#
- 1...gxf3
- 2.Qxe6#
- 1...g3
- 2.Qxe6#
- 1...Re1
- 2.Rf6#
- 1...Rb6
- 2.Rf6#
- 1...Bd4
- 2.Qxe6#
- 1...Sd8
- 2.Rxg5#
- 2.Rf6#
- 1...e5
- 2.Rf6#
- 2.Qe6#
- 1...Sg6!
- threat
- 1.Bg7?
- threat
- 2.Qxe6#
- 1...Sxh6
- 2.Rxg5#
- 1...Re1
- 2.Sfh4#
- 1...Rb6
- 2.Sd4#
- 1...Sd8
- 2.Rxg5#
- 1...e5
- 2.Qe6#
- 1...Sg6!
- threat
- 1.Bxh8?
- threat
- 2.Qxe6#
- 1...Sxh6
- 2.Rxg5#
- 1...Re1
- 2.Sfh4#
- 1...Rb6
- 2.Sd4#
- 1...Sd8
- 2.Rxg5#
- 1...e5
- 2.Qe6#
- 2.Qxf7#
- 1...Rxh8+!
- threat
- 1.Be5?
- Keys
- 1.Sxg5!
- threat
- 2.Qxe6#
- 1...Sxg5+
- 2.Rxg5#
- 1...Re1
- 2.Sxf7#
- 1...Rb6
- 2.Qf2#
- 1...Sd8
- 2.Sh3#
- 1...e5
- 2.Qe6#
- threat
- 1.Sxg5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 2
- REMOVED MATES = 10
- Sets
- R(a);N_GUARD::S(D)
- R(a);N_GUARD::S(D),XR(a)
- R(j);S_CUTB(g)::S(D)
- B(g);N_GUARD::S(D),XB(g)
- S(i);N_GUARD::R1(E),XP(e)
- Tries
- Try
- B(F);
- Threat
- QAB1(A),XP(f)
- Vars
- S(i);N_GUARD,XR(G)::R1(E),XP(e)
- R(j);S_CUTB(g)::S(B)
- S(i);N_GUARD::R1(E),XP(e)
- Refutation
- S(k);
- Try
- B(F);XP(e)
- Threat
- QAB1(A),XP(f)
- Vars
- S(i);CHECK,OGATE,P_SPINS(i),XB(F)::R1(E),XS(i)
- S(i);N_GUARD,XR(G)::R(E)+B(F)
- R(a);N_GUARD::S(B)
- R(j);S_CUTB(g)::S(B)
- S(i);N_GUARD::R(E)+B(F)
- P(f);::QAB1(A)
- Refutation
- S(k);
- Try
- B(F);XP(h)
- Threat
- DUALS(2)
- Vars
- R(a);N_SPINP(e),P_PINR(G),XR(E)::QAB1(A),XP(f)
- S(i);N_GUARD,XR(G)::R1(E),XP(e)
- P(b);XS(D)::QAB1(A),XP(f)
- P(b);::QAB1(A),XP(f)
- R(a);::R1(G)
- R(j);::R1(G)
- B(g);::QAB1(A),XP(f)
- Refutation
- S(k);
- Try
- B(F);
- Threat
- QAB1(A),XP(f)
- Vars
- S(i);N_GUARD,XR(G)::R1(E),XP(e)
- R(a);N_GUARD::S(D)
- R(j);S_CUTB(g)::S(D)
- S(i);N_GUARD::R1(E),XP(e)
- P(f);::QAB1(A)
- Refutation
- S(k);
- Try
- B(F);XS(k)
- Threat
- QAB1(A),XP(f)
- Vars
- S(i);N_GUARD,XR(G)::R1(E),XP(e)
- R(a);N_GUARD::S(D)
- R(j);S_CUTB(g)::S(D)
- S(i);N_GUARD::R1(E),XP(e)
- Refutation
- R(j);CHECK,XB(F)
- Try
- Actual
- S(D);XP(e)
- Threat
- QAB1(A),XP(f)
- Vars
- S(i);CHECK,OGATE,P_SPINS(i),XS(D)::R1(E),XS(i)
- R(a);N_GUARD::R(E)+S(D),XS(i)
- R(j);S_CUTB(g)::QAR(A)
- S(i);N_GUARD::R(E)+S(D)
- P(f);::QAB1(A)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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