MESON Chess Problem Database
Problem Display
PID: 179087 (5K2/5p1b/2PBp2r/R2N2N1/2pkprp1/7q/2PPR3/2n5 w - - 0 1)
Zaldo Zapirain, Juan
3rd HM., Magasinet, 1951
#2
9 + 11
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qc3
- 2.dxc3#
- 1...Qe3
- 2.dxe3#
- 1...Rf5
- 2.Rxe4#
- 1...Sd3
- 2.c3#
- 1...f6
- 2.Sxe6#
- 1...Qc3
- Tries
- 1.Sc3?
- threat
- 2.Be5#
- 1...Rf5
- 2.Rxe4#
- 1...e5
- 2.Bc5#
- 2.Bxe5#
- 2.Rd5#
- 1...f6
- 2.Sxe6#
- 1...Sd3!
- threat
- 1.Se3?
- threat
- 2.Be5#
- 1...Sd3
- 2.c3#
- 1...e5
- 2.Bc5#
- 2.Bxe5#
- 2.Rd5#
- 1...f6
- 2.Sxe6#
- 1...Rf5!
- threat
- 1.Sb4?
- threat
- 2.Be5#
- 1...Rf5
- 2.Rxe4#
- 1...Sd3
- 2.c3#
- 1...e5
- 2.Bc5#
- 2.Bxe5#
- 2.Rd5#
- 1...f6
- 2.Sxe6#
- 1...c3!
- threat
- 1.Sxf4?
- threat
- 2.Be5#
- 1...c3
- 2.Ra4#
- 1...Sd3
- 2.c3#
- 1...e5
- 2.Bc5#
- 2.Bxe5#
- 2.Rd5#
- 1...f6
- 2.Sfxe6#
- 2.Sgxe6#
- 1...Qa3!
- threat
- 1.Sb6?
- threat
- 2.Be5#
- 1...Rf5
- 2.Rxe4#
- 1...Sd3
- 2.c3#
- 1...e5
- 2.Bc5#
- 2.Bxe5#
- 2.Rd5#
- 1...f6
- 2.Sxe6#
- 1...Qa3!
- threat
- 1.Sf6?
- threat
- 2.Be5#
- 1...c3
- 2.Ra4#
- 1...Rf5
- 2.Rxe4#
- 1...Sd3
- 2.c3#
- 1...e5
- 2.Bc5#
- 2.Bxe5#
- 2.Rd5#
- 1...Qa3!
- threat
- 1.Sc7?
- threat
- 2.Be5#
- 1...c3
- 2.Ra4#
- 1...Rf5
- 2.Rxe4#
- 1...Sd3
- 2.c3#
- 1...e5
- 2.Bc5#
- 2.Bxe5#
- 2.Rd5#
- 1...f6
- 2.Sgxe6#
- 2.Scxe6#
- 1...Qa3!
- threat
- 1.Sc3?
- Keys
- 1.Se7!
- threat
- 2.Be5#
- 1...c3
- 2.Ra4#
- 1...Rf5
- 2.Rxe4#
- 1...Sd3
- 2.c3#
- 1...e5
- 2.Bc5#
- 2.Bxe5#
- 2.Rd5#
- 1...f6
- 2.Sxe6#
- threat
- 1.Se7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- Q(b);OGATE::P(B),XQ(b)
- R(f);N_GUARD,S_CUTB(k)::R1(C),XP(e)
- S(a);SBLOCK,S_CUTQ(b)::P(A)
- P(j);N_GUARD,S_CUTR(i)::S(F),XP(h)
- Tries
- Try
- S(E);
- Threat
- B(H)
- Vars
- R(f);N_GUARD,S_CUTB(k)::R1(C),XP(e)
- P(j);N_GUARD,S_CUTR(i)::S(F),XP(h)
- Refutation
- S(a);
- Try
- S(E);
- Threat
- B(H)
- Vars
- S(a);SBLOCK::P(A)
- P(j);N_GUARD,S_CUTR(i)::S(F),XP(h)
- Refutation
- R(f);
- Try
- S(E);
- Threat
- B(H)
- Vars
- R(f);N_GUARD,S_CUTB(k)::R1(C),XP(e)
- S(a);S_CUTQ(b)::P(A)
- P(j);N_GUARD,S_CUTR(i)::S(F),XP(h)
- Refutation
- P(c);
- Try
- S(E);XR(f)
- Threat
- B(H)
- Vars
- P(c);OGATEB::R(D)
- S(a);S_CUTQ(b)::P(A)
- Refutation
- Q(b);P_PINB(H)
- Try
- S(E);
- Threat
- B(H)
- Vars
- R(f);N_GUARD,S_CUTB(k)::R1(C),XP(e)
- S(a);SBLOCK,S_CUTQ(b)::P(A)
- P(j);N_GUARD,S_CUTR(i)::S(F),XP(h)
- Refutation
- Q(b);P_PINB(H)
- Try
- S(E);
- Threat
- B(H)
- Vars
- P(c);OGATEB::R(D)
- R(f);N_GUARD,S_CUTB(k)::R1(C),XP(e)
- S(a);SBLOCK,S_CUTQ(b)::P(A)
- Refutation
- Q(b);P_PINB(H)
- Try
- S(E);
- Threat
- B(H)
- Vars
- P(c);OGATEB::R(D)
- R(f);N_GUARD,S_CUTB(k)::R1(C),XP(e)
- S(a);SBLOCK,S_CUTQ(b)::P(A)
- Refutation
- Q(b);P_PINB(H)
- Try
- Actual
- S(E);
- Threat
- B(H)
- Vars
- P(c);OGATEB::R(D)
- R(f);N_GUARD,S_CUTB(k)::R1(C),XP(e)
- S(a);SBLOCK,S_CUTQ(b)::P(A)
- P(j);N_GUARD,S_CUTR(i)::S(F),XP(h)
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).