MESON Chess Problem Database
Problem Display
PID: 226669 (1b6/3n4/pP1p2b1/K2N2Nr/RQPk1B2/1p1p4/1P2P3/3Rr3 w - - 0 1)
Buffoni, Boris
24 Heures de Lausanne, 1982
#2
11 + 10
| 16895 | Schweizer Schachkompositionen (1976-1986) (Henneberger) | 1989 |
SOLUTION
- SOUND
- Sets
- 1...Rxd1
- 2.e3#
- 1...Rf1
- 2.e3#
- 1...Rg1
- 2.e3#
- 1...Reh1
- 2.e3#
- 1...Be4
- 2.Se6#
- 1...Bf7
- 2.Rxd3#
- 1...Be8
- 2.Rxd3#
- 1...Sc5
- 2.Qc3#
- 1...Se5
- 2.Be3#
- 1...Sxb6
- 2.Qxb6#
- 1...Rxd1
- Tries
- 1.Se3?
- threat
- 2.c5#
- 1...Sxb6
- 2.Qxb6#
- 1...Bf7
- 2.Sf5#
- 2.Rxd3#
- 1...Sc5
- 2.Qc3#
- 1...Se5!
- threat
- 1.Sf6?
- threat
- 2.c5#
- 1...Sxb6
- 2.Qxb6#
- 1...Bf7
- 2.Rxd3#
- 1...Sc5
- 2.Sf3#
- 2.Qc3#
- 1...Se5
- 2.Se6#
- 1...Sxf6!
- threat
- 1.Sc7?
- threat
- 2.Se6#
- 2.Qxd6#
- 2.c5#
- 1...Rxg5+
- 2.c5#
- 1...Rxe2
- 2.Qxd6#
- 2.c5#
- 1...Sxb6
- 2.Se6#
- 2.Qxb6#
- 1...Be4
- 2.Se6#
- 2.c5#
- 1...Bf5
- 2.Qxd6#
- 2.c5#
- 1...Bf7
- 2.Rxd3#
- 1...Sc5
- 2.Qc3#
- 1...Se5
- 2.Sce6#
- 2.Qxd6#
- 1...Sf6
- 2.Se6#
- 2.c5#
- 1...Sf8
- 2.Qxd6#
- 2.c5#
- 1...d5
- 2.Sce6#
- 2.cxd5#
- 2.c5#
- 1...Bxc7!
- threat
- 1.Se7?
- threat
- 2.Sc6#
- 2.c5#
- 1...Rxg5+
- 2.c5#
- 1...Sxb6
- 2.Sc6#
- 2.Qxb6#
- 1...Be4
- 2.c5#
- 1...Bf7
- 2.Sf5#
- 2.Sc6#
- 2.Rxd3#
- 1...Sc5
- 2.Sc6#
- 2.Qc3#
- 1...Se5!
- threat
- 1.Qxd6?
- threat
- 2.Sc7#
- 2.Be3#
- 2.c5#
- 1...Rxe2
- 2.Sc7#
- 2.c5#
- 1...Rxg5
- 2.c5#
- 1...Sxb6
- 2.Be3#
- 2.Be5#
- 2.Qxb6#
- 1...Se5
- 2.Sc7#
- 2.Be3#
- 2.Bxe5#
- 1...Rh3
- 2.Sc7#
- 2.c5#
- 1...Be4
- 2.Se6#
- 2.Be3#
- 2.c5#
- 1...Bf7
- 2.Be3#
- 2.Rxd3#
- 2.c5#
- 1...Bc7
- 2.Sxc7#
- 2.Be3#
- 2.c5#
- 1...Sc5
- 2.Sc7#
- 2.Be3#
- 2.Be5#
- 1...Sf6
- 2.Be3#
- 2.Be5#
- 2.c5#
- 1...Bxd6!
- threat
- 1.e4?
- threat
- 2.c5#
- 1...Rxe4
- 2.Sf3#
- 1...Bxe4
- 2.Se6#
- 1...Sxb6
- 2.Qxb6#
- 1...d2
- 2.Rxd2#
- 1...Sc5
- 2.Qc3#
- 1...Se5!
- threat
- 1.Se3?
- Keys
- 1.Sc3!
- threat
- 2.c5#
- 1...Sxb6
- 2.Qxb6#
- 1...Bf7
- 2.Rxd3#
- 1...Sc5
- 2.Sf3#
- 1...Se5
- 2.Se6#
- threat
- 1.Sc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 6
- Sets
- R(a);N_GUARD,N_SPINP(c),XR(A)::P(C)
- R(a);N_GUARD::P(C)
- B(h);SBLOCK::S(J)
- B(h);N_GUARD::R1(A),XP(c)
- S(i);SBLOCK::QAB1(E)
- S(i);SBLOCK::B(G)
- S(i);OGATE,XP(K)::QAB(E),XS(i)
- Tries
- Try
- S(I);P_SPINS(J)
- Threat
- QAR(E)+P(F)
- Vars
- S(i);OGATE,XP(K)::QAB(E),XS(i)
- S(i);N_PINS(J),SBLOCK::QAB1(E)
- Refutation
- S(i);N_PINS(J)
- Try
- S(I);P_SPINS(J)
- Threat
- QAR(E)+P(F)
- Vars
- S(i);OGATE,XP(K)::QAB(E),XS(i)
- B(h);N_GUARD::R1(A),XP(c)
- S(i);N_PINS(J)::S(J)
- Refutation
- S(i);XS(I)
- Try
- S(I);P_SPINS(J)
- Threat
- DUALS(3)
- Vars
- R(e);CHECK,XS(J)::QAR(E)+P(F)
- B(h);N_GUARD::R1(A),XP(c)
- S(i);N_PINS(J),SBLOCK::QAB1(E)
- Refutation
- B(j);P_PINP(K),XS(I)
- Try
- S(I);P_SPINS(J)
- Threat
- DUALS(2)
- Vars
- R(e);CHECK,XS(J)::QAR(E)+P(F)
- B(h);::QAR(E)+P(F)
- Refutation
- S(i);N_PINS(J)
- Try
- Q(E);XP(g)
- Threat
- DUALS(3)
- Vars
- R(e);P_PINS(I),XS(J)::R(D)+P(F)
- Refutation
- B(j);XQ(E)
- Try
- P(C);
- Threat
- QAR(E)+P(F)
- Vars
- R(a);SBLOCK,XP(C)::S(J)
- B(h);SBLOCK,XP(C)::S(J)
- S(i);OGATE,XP(K)::QAB(E),XS(i)
- P(c);OGATEB::R(A),XP(c)
- S(i);SBLOCK::QAB1(E)
- Refutation
- S(i);
- Try
- Actual
- S(I);P_SPINS(J)
- Threat
- QAR(E)+P(F)
- Vars
- S(i);OGATE,XP(K)::QAB(E),XS(i)
- B(h);N_GUARD::R1(A),XP(c)
- S(i);N_PINS(J)::S(J)
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).