MESON Chess Problem Database
Problem Display
PID: 258702 (1Qb5/n1pPb1N1/2P4r/5R1r/N2knPPq/1B3p2/2PPRPP1/K5B1 w - - 0 1)
Caliman, Georghe
Buletin Problemistic, 1988
#2
16 + 10
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rxf5
- 2.Sxf5#
- 1...Rd6
- 2.Qb4#
- 1...Re6
- 2.Sxe6#
- 1...Rh7
- 2.Se6#
- 1...Rh8
- 2.Se6#
- 1...Bb4
- 2.Qxb4#
- 1...Bg5
- 2.Rd5#
- 2.Qb4#
- 1...Bf6
- 2.Se6#
- 2.Qb4#
- 1...Bd8
- 2.Qb4#
- 1...Sc3
- 2.dxc3#
- 1...Sc5
- 2.Qb4#
- 1...Sg5
- 2.Rd5#
- 1...Sd6
- 2.Qxa7#
- 1...Sf6
- 2.Se6#
- 1...Rxf5
- Tries
- 1.Re3?
- threat
- 2.Rd3#
- 1...Sxd2
- 2.c3#
- 1...Sxf2
- 2.c3#
- 1...Sc3
- 2.dxc3#
- 1...Sg3
- 2.c3#
- 1...Sc5
- 2.Qb4#
- 2.c3#
- 1...Sg5
- 2.Rd5#
- 2.c3#
- 1...Sd6
- 2.Qxa7#
- 2.c3#
- 1...Sf6
- 2.Se6#
- 2.c3#
- 1...Ba6!
- threat
- 1.Qb5?
- threat
- 2.Qd3#
- 2.Qc4#
- 2.Qd5#
- 2.Qe5#
- 1...Rxf5
- 2.Sxf5#
- 2.Qd3#
- 2.Qc4#
- 1...Rxc6
- 2.Qd3#
- 2.Qd5#
- 2.Qe5#
- 1...Sxd2
- 2.Qd3#
- 2.Qd5#
- 2.Qe5#
- 2.c3#
- 1...Sxc6
- 2.Qd3#
- 2.Qc4#
- 2.Qd5#
- 1...Qf6
- 2.Qd3#
- 2.Qc4#
- 2.Qd5#
- 1...Rd6
- 2.Qd3#
- 2.Qc4#
- 2.Qb4#
- 2.Qe5#
- 1...Re6
- 2.Sxe6#
- 2.Qd3#
- 2.Qc4#
- 2.Qd5#
- 1...Bc5
- 2.Qd3#
- 2.Qc4#
- 1...Bd6
- 2.Qd3#
- 2.Qc4#
- 2.Qd5#
- 1...Bf6
- 2.Se6#
- 2.Qd3#
- 2.Qc4#
- 2.Qb4#
- 2.Qd5#
- 1...Ba6
- 2.Qd5#
- 2.Qe5#
- 1...Sc3
- 2.Qd3#
- 2.Qc4#
- 2.Qe5#
- 2.dxc3#
- 1...Sc5
- 2.Qc4#
- 2.Qb4#
- 2.c3#
- 1...Sd6
- 2.Qd3#
- 2.Qc5#
- 2.Qd5#
- 2.Qe5#
- 2.c3#
- 1...Sf6
- 2.Se6#
- 2.Qd3#
- 2.Qc4#
- 2.Qe5#
- 2.c3#
- 1...Sxb5!
- threat
- 1.d8Q+?
- 1...Rd6
- 2.Qb4#
- 1...Bd6
- 2.Qb4#
- 1...Bxd8
- 2.Qb4#
- 1...Sd6
- 2.Qxa7#
- 2.Qb4#
- 1...Bd7!
- 1...Rd6
- 1.d8R+?
- 1...Rd6
- 2.Qb4#
- 1...Bd6
- 2.Qb4#
- 1...Bxd8
- 2.Qb4#
- 1...Sd6
- 2.Qxa7#
- 2.Qb4#
- 1...Bd7!
- 1...Rd6
- 1.Re3?
- Keys
- 1.gxf3!
- threat
- 2.Rxe4#
- 1...Sxd2
- 2.Rxd2#
- 1...Sxf2
- 2.Re4#
- 1...Re6
- 2.Sxe6#
- 1...Sc3
- 2.dxc3#
- 1...Sg3
- 2.fxg3#
- 1...Sc5
- 2.Qb4#
- 1...Sg5
- 2.Rd5#
- 1...Sd6
- 2.Qxa7#
- 1...Sf6
- 2.Se6#
- threat
- 1.gxf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 6
- Sets
- R(e);XR(L)::S(O),XR(e)
- R(f);S_CUTB(i)::QAR2(P)
- R(f);N_GUARD::S(O),XR(f)
- R(f);N_GUARD::S(O)
- B(i);N_GUARD::QAR2(P),XB(i)
- B(i);N_GUARD::QAR2(P)
- S(c);OGATE::P(D),XS(c)
- S(c);S_CUTB(i)::QAR2(P)
- S(c);S_CUTR(e)::R1(L)
- S(c);N_GUARD,S_CUTB(i)::QAB(P),XS(g)
- S(c);S_CUTR(f)::S(O)
- Tries
- Try
- R(E);
- Threat
- R1(E)
- Vars
- S(c);N_GUARD,XP(D)::P(C)
- S(c);N_GUARD,XP(F)::P(C)
- S(c);OGATE::P(D),XS(c)
- S(c);N_GUARD::P(C)
- Refutation
- B(j);
- Try
- Q(P);
- Threat
- DUALS(4)
- Refutation
- S(g);XQ(P)
- Try
- P(N);CHECK
- Vars
- R(f);P_SPINR(f)::QAR2(P)
- B(i);P_SPINB(i)::QAR2(P)
- B(i);XQ(N)::QAR2(P)
- Refutation
- B(j);P_SPINB(j)
- Try
- P(N);CHECK
- Vars
- R(f);P_SPINR(f)::QAR2(P)
- B(i);P_SPINB(i)::QAR2(P)
- B(i);XR(N)::QAR2(P)
- Refutation
- B(j);P_SPINB(j)
- Try
- Actual
- P(G);XP(a)
- Threat
- R1(E),XS(c)
- Vars
- S(c);OGATE,XP(D)::R(E),XS(c)
- S(c);P_SPINS(c),XP(F)::R1(E)
- R(f);N_GUARD::S(O),XR(f)
- S(c);OGATE::P(D),XS(c)
- S(c);OGATE::B(B)+P(F),XS(c)
- S(c);S_CUTB(i)::QAR2(P)
- S(c);S_CUTR(e)::R1(L)
- S(c);N_GUARD,S_CUTB(i)::QAB(P),XS(g)
- S(c);S_CUTR(f)::S(O)
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).