MESON Chess Problem Database
Problem Display
PID: 179045 (5BK1/bR4QB/1n6/2rN3p/P1k5/1N3n2/3P4/1R6 w - - 0 1)
Ellerman, Arnoldo
1st Prize, Magasinet, 1956
#2
10 + 6
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Ra5
- 2.Se3#
- 1...Rb5
- 2.Se3#
- 1...Rxd5
- 2.Qc3#
- 1...Rc6
- 2.Se3#
- 1...Rc7
- 2.Se3#
- 1...Rc8
- 2.Se3#
- 1...Se1
- 2.Qd4#
- 1...Sg1
- 2.Qd4#
- 1...Sxd2
- 2.Qd4#
- 1...Sh2
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sh4
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- 1...Sxa4
- 2.Se3#
- 1...Sxd5
- 2.d3#
- 1...Sd7
- 2.Se3#
- 1...Sa8
- 2.Se3#
- 1...Sc8
- 2.Se3#
- 1...Ra5
- Tries
- 1.Sa5+?
- 1...Rxa5
- 2.Se3#
- 1...Kxd5!
- 1...Rxa5
- 1.Sxb6+?
- 1...Kb4
- 2.Bxc5#
- 1...Bxb6!
- 1...Kb4
- 1.Be4?
- threat
- 2.Qc3#
- 2.d3#
- 1...Rxd5
- 2.Qc3#
- 1...Sxd2
- 2.Sxd2#
- 2.Qc3#
- 2.Qd4#
- 1...Sxa4
- 2.Se3#
- 2.Rb4#
- 2.d3#
- 1...Sxd5
- 2.d3#
- 1...Se1
- 2.Qc3#
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 2.d3#
- 1...Se5!
- threat
- 1.Bxc5?
- threat
- 2.Se3#
- 1...Sxd5
- 2.d3#
- 1...Kxd5!
- threat
- 1.Qe5?
- threat
- 2.d3#
- 1...Rxd5
- 2.Qc3#
- 1...Sxd2
- 2.Sxd2#
- 2.Qd4#
- 1...Se1
- 2.Qd4#
- 2.Qe4#
- 1...Sxe5!
- threat
- 1.Qg4+?
- 1...Kxd5
- 2.Qe4#
- 1...Sd4
- 2.Qxd4#
- 1...hxg4!
- 1...Kxd5
- 1.Qg6?
- threat
- 2.Qd3#
- 1...Kxd5
- 2.Qe4#
- 1...Rxd5
- 2.Qc2#
- 1...Se5
- 2.Qe4#
- 1...Se1
- 2.Qe4#
- 1...Sd4!
- threat
- 1.Sa5+?
- Keys
- 1.Qe7!
- threat
- 2.Qxc5#
- 1...Kxd5
- 2.Qe4#
- 1...Rxd5
- 2.Qb4#
- 1...Sxa4
- 2.Se3#
- 1...Sxd5
- 2.Qe2#
- 1...Ra5
- 2.Se3#
- 1...Rb5
- 2.Se3#
- 1...Rc6
- 2.Se3#
- 1...Rc7
- 2.Se3#
- 1...Rc8
- 2.Se3#
- 1...Sd7
- 2.Se3#
- 1...Sa8
- 2.Se3#
- 1...Sc8
- 2.Se3#
- threat
- 1.Qe7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 7
- Sets
- R(c);::S(E)
- R(c);SBLOCK,XS(E)::QAR1(G)
- R(c);P_PINB(I)::S(E)
- S(a);N_GUARD::QAR1(G)
- S(a);N_GUARD,XP(B)::QAR1(G)
- S(a);N_GUARD::QAR1(G),XS(a)
- S(e);XP(D)::S(E)
- S(e);SBLOCK,XS(E)::P(B)
- S(e);::S(E)
- Tries
- Try
- S(C);CHECK
- Vars
- R(c);XS(C)::S(E)
- Refutation
- K(b);S_FLIGHT,XS(E)
- Try
- S(E);CHECK,XS(e)
- Vars
- K(b);P-FLIGHT,P_SPINR(c)::B(I),XR(c)
- Refutation
- B(f);XS(E)
- Try
- B(H);
- Threat
- DUALS(2)
- Vars
- R(c);XS(E)::QAR1(G)
- S(e);XS(E)::P(B)
- Refutation
- S(a);
- Try
- B(I);XR(c)
- Threat
- S(E)
- Vars
- S(e);SBLOCK,XS(E)::P(B)
- Refutation
- K(b);S_FLIGHT,XS(E)
- Try
- Q(G);
- Threat
- P(B)
- Vars
- R(c);SBLOCK,XS(E)::QAR1(G)
- Refutation
- S(a);XQ(G)
- Try
- Q(G);CHECK
- Vars
- K(b);S_FLIGHT,XS(E)::QAB1(G)
- S(a);N_GUARD,P_SPINS(a)::QAR1(G),XS(a)
- Refutation
- P(d);XQ(G)
- Try
- Q(G);
- Threat
- QAB1(G)
- Vars
- K(b);S_FLIGHT,XS(E)::QAB1(G)
- R(c);SBLOCK,XS(E)::QAR2(G)
- S(a);N_GUARD::QAR2(G)
- Refutation
- S(a);
- Try
- Actual
- Q(G);
- Threat
- QAR1(G),XR(c)
- Vars
- K(b);S_FLIGHT,XS(E)::QAB1(G)
- R(c);OGATE,SBLOCK,XS(E)::QAR1(G)
- S(e);XP(D)::S(E)
- S(e);SBLOCK,XS(E)::QAB(G)
- R(c);::S(E)
- R(c);P_PINB(I)::S(E)
- S(e);::S(E)
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).