MESON Chess Problem Database
Problem Display
PID: 156074 (1n6/B1pp4/3pPP2/3k4/BRN2PN1/1Prp2Q1/2rn1PK1/4R3 w - - 0 1)
Boros, Sandor
Nederlandse Bond van Probleemvrienden, 1932
#2
13 + 9
| 1577 | Jaarboek | 1932 |
SOLUTION
- SOUND
- Sets
- 1...Sb1
- 2.Qf3#
- 1...Sf1
- 2.Qf3#
- 1...Sxb3
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...Sxc4
- 2.Qf3#
- 1...Sc6
- 2.Rb5#
- 1...c5
- 2.Sb6#
- 1...dxe6
- 2.Sce3#
- 1...Sb1
- Tries
- 1.Sxd2?
- threat
- 2.Rd4#
- 2.Qf3#
- 1...Rc5
- 2.Qxd3#
- 2.Qf3#
- 1...Sc6
- 2.Qf3#
- 1...c5
- 2.Qf3#
- 1...Rc4!
- threat
- 1.Sh2?
- threat
- 2.Qg5#
- 1...Sxc4
- 2.Qf3#
- 1...dxe6
- 2.Se3#
- 1...c5
- 2.Sb6#
- 1...Sf3
- 2.Qxf3#
- 1...Sc6
- 2.Rb5#
- 1...Se4!
- threat
- 1.Sge3+?
- 1...Ke4
- 2.Sxd2#
- 2.Sxd6#
- 1...Kxe6!
- 1...Ke4
- 1.Sh6?
- threat
- 2.Qg5#
- 1...Sxc4
- 2.Qf3#
- 1...dxe6
- 2.Se3#
- 1...c5
- 2.Sb6#
- 1...Sf3
- 2.Qxf3#
- 1...Sc6
- 2.Rb5#
- 1...Se4!
- threat
- 1.Rb5+?
- 1...Kc6
- 2.Sa5#
- 1...c5!
- 1...Kc6
- 1.Qe3?
- threat
- 2.Qd4#
- 1...Sxb3
- 2.Qf3#
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sf3
- 2.Qxf3#
- 2.Qe4#
- 1...Sc6
- 2.Rb5#
- 1...c5
- 2.Sb6#
- 1...Rxc4!
- threat
- 1.Qf3+?
- 1...Se4
- 2.Qxe4#
- 1...Sxf3!
- 1...Se4
- 1.f5?
- threat
- 2.Sce3#
- 1...Sxc4
- 2.Qf3#
- 1...Sf1
- 2.Qf3#
- 1...Rxc4!
- threat
- 1.f7?
- threat
- 2.Sf6#
- 1...c5
- 2.Sb6#
- 1...Se4!
- threat
- 1.Sxd2?
- Keys
- 1.Qh3!
- threat
- 2.Qh5#
- 1...Sxc4
- 2.Qf3#
- 1...dxe6
- 2.Sce3#
- 1...Se4
- 2.Sge3#
- 1...c5
- 2.Sb6#
- 1...Sf3
- 2.Qxf3#
- 1...Sc6
- 2.Rb5#
- threat
- 1.Qh3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- S(b);N_GUARD,P_PINP(B)::QAB(E)
- S(b);N_GUARD,P_PINP(B),XP(D)::QAB(E)
- S(b);N_GUARD,P_PINP(B)::QAB(E),XS(b)
- S(b);N_GUARD,P_PINP(B),XS(H)::QAB(E)
- S(i);SBLOCK,S_CUTP(g)::R(G)
- P(g);N_GUARD,SBLOCK::S(H)
- P(h);SBLOCK,XP(K)::S(H)
- Tries
- Try
- S(H);XS(b)
- Threat
- DUALS(2)
- Vars
- S(i);::QAB(E)
- P(g);::QAB(E)
- Refutation
- R(c);
- Try
- S(J);
- Threat
- QAR(E)
- Vars
- S(b);N_GUARD,P_PINP(B),XS(H)::QAB(E)
- P(h);SBLOCK,XP(K)::S(H)
- P(g);N_GUARD,SBLOCK::S(H)
- S(b);N_GUARD,P_PINP(B)::QAB(E),XS(b)
- S(i);SBLOCK,S_CUTP(g)::R(G)
- Refutation
- S(b);P_PINP(B)
- Try
- S(J);CHECK
- Refutation
- K(e);S_FLIGHT,XP(K)
- Try
- S(J);
- Threat
- QAR(E)
- Vars
- S(b);N_GUARD,P_PINP(B),XS(H)::QAB(E)
- P(h);SBLOCK,XP(K)::S(H)
- P(g);N_GUARD,SBLOCK::S(H)
- S(b);N_GUARD,P_PINP(B)::QAB(E),XS(b)
- S(i);SBLOCK,S_CUTP(g)::R(G)
- Refutation
- S(b);P_PINP(B)
- Try
- R(G);CHECK
- Vars
- K(e);S_FLIGHT::S(H)
- Refutation
- P(g);P_SPINP(g)
- Try
- Q(E);
- Threat
- QAR1(E)
- Vars
- S(b);N_GUARD,P_PINP(B)::QAB1(E),XS(b)
- S(i);SBLOCK,S_CUTP(g)::R(G)
- P(g);N_GUARD::S(H)
- Refutation
- R(c);XS(H)
- Try
- Q(E);CHECK
- Vars
- S(b);N_GUARD,P_PINP(B),P_SPINS(b)::QAB1(E),XS(b)
- Refutation
- S(b);P_PINP(B),XQ(E)
- Try
- P(I);
- Threat
- S(H)
- Vars
- S(b);N_GUARD,P_PINP(B),XS(H)::QAB(E)
- S(b);N_GUARD,P_PINP(B)::QAB(E)
- Refutation
- R(c);XS(H)
- Try
- P(L);
- Threat
- S(J)
- Vars
- P(g);N_GUARD,SBLOCK::S(H)
- Refutation
- S(b);P_PINP(B)
- Try
- Actual
- Q(E);
- Threat
- QAR(E)
- Vars
- S(b);N_GUARD,P_PINP(B),XS(H)::QAB(E)
- P(h);SBLOCK,XP(K)::S(H)
- S(b);P_PINP(B),SBLOCK::S(J)
- P(g);N_GUARD,SBLOCK::S(H)
- S(b);N_GUARD,P_PINP(B)::QAB(E),XS(b)
- S(i);SBLOCK,S_CUTP(g)::R(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).