MESON Chess Problem Database
Problem Display
PID: 108566 (8/6p1/4K1Pb/3N3b/2n1k1nQ/4P2B/2P3P1/BR3R2 w - - 0 1)
Kapros, Jorge Marcelo
3rd Comm., Boletim da UBP, 1988-1989
#2
11 + 6
| 1077 | Boletim da UBP | 1991 |
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bf4
- 2.Rxf4#
- 1...Bf4
- Tries
- 1.Sf6+?
- 1...Kxe3
- 2.Qe1#
- 1...gxf6!
- 1...Kxe3
- 1.Bxg4?
- threat
- 2.Bf3#
- 2.Bf5#
- 1...Bf4
- 2.Bf5#
- 2.Rxf4#
- 1...Bxg4+!
- threat
- 1.Rbd1?
- threat
- 2.Rd4#
- 1...Bxe3
- 2.Sc3#
- 1...Sd2!
- threat
- 1.Rbe1?
- threat
- 2.Sc3#
- 1...Bxe3
- 2.Rf4#
- 1...Sxe3!
- threat
- 1.Rfe1?
- threat
- 2.Sc3#
- 1...Sxe3
- 2.Rb4#
- 1...Bxe3!
- threat
- 1.Qf2?
- threat
- 2.Sc3#
- 2.Qf3#
- 2.Qf5#
- 1...Bxg6
- 2.Sc3#
- 2.Qf3#
- 1...Bxe3
- 2.Qf3#
- 2.Qf5#
- 1...Scxe3
- 2.Qf3#
- 1...Sxf2
- 2.Bf5#
- 1...Sd2
- 2.Sc3#
- 2.Qf5#
- 1...Bf4
- 2.Sc3#
- 2.Qf3#
- 2.Qxf4#
- 1...Sce5
- 2.Sc3#
- 2.Qf5#
- 1...Sd6
- 2.Sc3#
- 2.Qf3#
- 1...Sh2
- 2.Sc3#
- 2.Bf5#
- 2.Qf5#
- 1...Sge5
- 2.Sc3#
- 2.Bf5#
- 2.Qf5#
- 1...Sf6
- 2.Sc3#
- 2.Bf5#
- 2.Qf5#
- 1...Sgxe3!
- threat
- 1.Qg3?
- threat
- 2.Sc3#
- 2.Qf3#
- 1...Bxe3
- 2.Qf3#
- 1...Scxe3
- 2.Qf3#
- 1...Sd2
- 2.Sc3#
- 1...Sce5
- 2.Sc3#
- 1...Sf2
- 2.Sc3#
- 2.Bf5#
- 1...Sh2
- 2.Sc3#
- 2.Bf5#
- 1...Sge5
- 2.Sc3#
- 2.Bf5#
- 1...Sf6
- 2.Sc3#
- 2.Bf5#
- 1...Sgxe3!
- threat
- 1.Qg5?
- threat
- 2.Sc3#
- 2.Rf4#
- 2.Qf5#
- 1...Bxg6
- 2.Sc3#
- 2.Rf4#
- 2.Qxg6#
- 1...Scxe3
- 2.Rf4#
- 1...Sgxe3
- 2.Rf4#
- 1...Sd6
- 2.Sc3#
- 2.Rf4#
- 1...Sf2
- 2.Sc3#
- 2.Bf5#
- 2.Qf5#
- 1...Bxg5!
- threat
- 1.Qf6?
- threat
- 2.Qd4#
- 2.Qf3#
- 2.Qf5#
- 1...Bxg6
- 2.Qd4#
- 2.Qf3#
- 2.Qxg6#
- 1...Bxe3
- 2.Sc3#
- 2.Qf3#
- 2.Qf5#
- 1...Scxe3
- 2.Sc3#
- 2.Qd4#
- 2.Qf3#
- 1...Sgxe3
- 2.Sc3#
- 2.Qd4#
- 1...Sxf6
- 2.Bf5#
- 1...Sd2
- 2.Qd4#
- 2.Qf5#
- 1...Bf4
- 2.Rxf4#
- 2.Qd4#
- 2.Qxf4#
- 2.Qf5#
- 1...Sce5
- 2.Qf5#
- 1...Sd6
- 2.Qd4#
- 2.Qf3#
- 1...Sf2
- 2.Bf5#
- 2.Qd4#
- 2.Qf5#
- 1...Sh2
- 2.Bf5#
- 2.Qd4#
- 2.Qf5#
- 1...Sge5
- 2.Bf5#
- 2.Qf5#
- 1...gxf6!
- threat
- 1.Qxg4+?
- 1...Bf4
- 2.Rxf4#
- 2.Qf5#
- 2.Qxf4#
- 1...Bxg4+!
- 1...Bf4
- 1.Sf6+?
- Keys
- 1.Qe1!
- threat
- 2.Sc3#
- 1...Bxe3
- 2.Rf4#
- 1...Scxe3
- 2.Rb4#
- 1...Sgxe3
- 2.Bf5#
- threat
- 1.Qe1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- B(e);N_GUARD,N_SPINS(c)::R1(C),XB(e)
- Tries
- Try
- S(I);CHECK
- Vars
- K(b);N_SPINS(c),P-FLIGHT,XP(F)::QAR2(H)
- Refutation
- P(f);XS(I)
- Try
- B(G);XS(c)
- Threat
- DUALS(2)
- Refutation
- B(d);CHECK,P_SPINB(d),XB(G)
- Try
- R(B);
- Threat
- R1(B)
- Vars
- B(e);SBLOCK,XP(F)::S(I)
- Refutation
- S(a);
- Try
- R(B);
- Threat
- S(I)
- Vars
- B(e);N_GUARD,P_SPINB(e),XP(F)::R1(C)
- Refutation
- S(a);N_SPINS(c),P_SPINS(a),XP(F)
- Try
- R(C);
- Threat
- S(I)
- Vars
- S(a);N_SPINS(c),OGATEB,P_SPINS(a),XP(F)::R(B)
- Refutation
- B(e);P_SPINB(e),XP(F)
- Try
- Q(H);N_PINS(c)
- Threat
- DUALS(3)
- Vars
- S(a);XP(F)::QAB1(H)
- S(c);OGATE,XQ(H)::B(G)
- Refutation
- S(c);XP(F)
- Try
- Q(H);N_PINS(c)
- Threat
- DUALS(2)
- Vars
- B(e);XP(F)::QAB1(H)
- S(a);XP(F)::QAB1(H)
- S(a);::S(I)
- Refutation
- S(c);XP(F)
- Try
- Q(H);N_PINS(c)
- Threat
- DUALS(3)
- Vars
- S(a);XP(F)::R1(C)
- S(c);XP(F)::R1(C)
- Refutation
- B(e);XQ(H)
- Try
- Q(H);N_PINS(c)
- Threat
- DUALS(3)
- Vars
- S(c);OGATE,XQ(H)::B(G)
- S(a);::QAB1(H)
- Refutation
- P(f);XQ(H)
- Try
- Q(H);CHECK,XS(c)
- Refutation
- B(d);CHECK,XQ(H)
- Try
- Actual
- Q(H);N_PINS(c)
- Threat
- S(I)
- Vars
- B(e);N_GUARD,P_SPINB(e),XP(F)::R1(C)
- S(a);OGATEB,P_SPINS(a),XP(F)::R(B)
- S(c);OGATE,P_SPINS(c),XP(F)::B(G)
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).