MESON Chess Problem Database
Problem Display
PID: 101004 (4R3/3p4/Q2P4/2kP2nR/1p6/1K6/4N3/8 w - - 0 1)
Hertmann, Sandor
Good Companions, 1924
#2
7 + 4
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Kxd5
- 2.Rxg5#
- 1...Sf3
- 2.Rc8#
- 1...Sh3
- 2.Rc8#
- 1...Se4
- 2.Rc8#
- 1...Se6
- 2.dxe6#
- 1...Sf7
- 2.Rc8#
- 1...Sh7
- 2.Rc8#
- 1...Kxd5
- Tries
- 1.Ka2?
- 1...Kxd5
- 2.Rxg5#
- 1...Sf3
- 2.Rc8#
- 1...Sh3
- 2.Rc8#
- 1...Se4
- 2.Rc8#
- 1...Se6
- 2.dxe6#
- 1...Sf7
- 2.Rc8#
- 1...Sh7
- 2.Rc8#
- 1...b3+!
- 1...Kxd5
- 1.Kb2?
- 1...Kxd5
- 2.Rxg5#
- 1...Sf3
- 2.Rc8#
- 1...Sh3
- 2.Rc8#
- 1...Se4
- 2.Rc8#
- 1...Se6
- 2.dxe6#
- 1...Sf7
- 2.Rc8#
- 1...Sh7
- 2.Rc8#
- 1...b3!
- 1...Kxd5
- 1.Kc2?
- 1...Kxd5
- 2.Rxg5#
- 1...Sf3
- 2.Rc8#
- 1...Sh3
- 2.Rc8#
- 1...Se4
- 2.Rc8#
- 1...Se6
- 2.dxe6#
- 1...Sf7
- 2.Rc8#
- 1...Sh7
- 2.Rc8#
- 1...b3+!
- 1...Kxd5
- 1.Ka4?
- 1...Kxd5
- 2.Rxg5#
- 1...Sf3
- 2.Rc8#
- 1...Sh3
- 2.Rc8#
- 1...Se4
- 2.Rc8#
- 1...Se6
- 2.dxe6#
- 1...Sf7
- 2.Rc8#
- 1...Sh7
- 2.Rc8#
- 1...b3!
- 1...Kxd5
- 1.Rh6?
- threat
- 2.Qa5#
- 1...Kxd5
- 2.Qc4#
- 2.Qb5#
- 1...Se6!
- threat
- 1.Ra8?
- 1...Sf3
- 2.Rc8#
- 1...Sh3
- 2.Rc8#
- 1...Se4
- 2.Rc8#
- 1...Se6
- 2.dxe6#
- 1...Sf7
- 2.Rc8#
- 1...Sh7
- 2.Rc8#
- 1...Kxd5!
- 1...Sf3
- 1.Rd8?
- 1...Sf3
- 2.Rc8#
- 1...Sh3
- 2.Rc8#
- 1...Se4
- 2.Rc8#
- 1...Se6
- 2.dxe6#
- 1...Sf7
- 2.Rc8#
- 1...Sh7
- 2.Rc8#
- 1...Kxd5!
- 1...Sf3
- 1.Rf8?
- 1...Sf3
- 2.Rc8#
- 1...Sh3
- 2.Rc8#
- 1...Se4
- 2.Rc8#
- 1...Se6
- 2.dxe6#
- 1...Sf7
- 2.Rc8#
- 1...Sh7
- 2.Rc8#
- 1...Kxd5!
- 1...Sf3
- 1.Rg8?
- 1...Sf3
- 2.Rc8#
- 1...Sh3
- 2.Rc8#
- 1...Se4
- 2.Rc8#
- 1...Se6
- 2.dxe6#
- 1...Sf7
- 2.Rc8#
- 1...Sh7
- 2.Rc8#
- 1...Kxd5!
- 1...Sf3
- 1.Reh8?
- 1...Sf3
- 2.Rc8#
- 1...Sh3
- 2.Rc8#
- 1...Se4
- 2.Rc8#
- 1...Se6
- 2.dxe6#
- 1...Sf7
- 2.Rc8#
- 1...Sh7
- 2.Rc8#
- 1...Kxd5!
- 1...Sf3
- 1.Qb7?
- 1...Sf3
- 2.Qxb4#
- 1...Sh3
- 2.Qxb4#
- 1...Se4
- 2.Qxb4#
- 1...Se6
- 2.Qxb4#
- 1...Sf7
- 2.Qxb4#
- 1...Sh7
- 2.Qxb4#
- 1...Kxd6!
- 1...Sf3
- 1.Qb6+?
- 1...Kxd5
- 2.Sf4#
- 2.Rxg5#
- 1...Kxb6!
- 1...Kxd5
- 1.Ka2?
- Keys
- 1.Re6!
- threat
- 2.Qa5#
- 1...Kxd5
- 2.Qc4#
- 1...Sxe6
- 2.dxe6#
- 1...dxe6
- 2.Qc6#
- threat
- 1.Re6!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- K(b);OGATEB,P-FLIGHT,P_SPINS(c),XP(C)::R(D),XS(c)
- S(c);::R(G)
- S(c);OGATE::R(D)+P(C),XS(c)
- Tries
- Try
- K(B);S_FLIGHT
- Vars
- K(b);OGATEB,P-FLIGHT,P_SPINS(c),XP(C)::R(D),XS(c)
- S(c);::R(G)
- S(c);OGATE::R(D)+P(C),XS(c)
- Refutation
- P(a);CHECK
- Try
- K(B);P-FLIGHT
- Vars
- K(b);OGATEB,P-FLIGHT,P_SPINS(c),XP(C)::R(D),XS(c)
- S(c);::R(G)
- S(c);OGATE::R(D)+P(C),XS(c)
- Refutation
- P(a);
- Try
- K(B);S_FLIGHT
- Vars
- K(b);OGATEB,P-FLIGHT,P_SPINS(c),XP(C)::R(D),XS(c)
- S(c);::R(G)
- S(c);OGATE::R(D)+P(C),XS(c)
- Refutation
- P(a);CHECK
- Try
- K(B);S_FLIGHT
- Vars
- K(b);OGATEB,P-FLIGHT,P_SPINS(c),XP(C)::R(D),XS(c)
- S(c);::R(G)
- S(c);OGATE::R(D)+P(C),XS(c)
- Refutation
- P(a);
- Try
- R(D);
- Threat
- QAR2(E)
- Refutation
- S(c);
- Try
- R(G);
- Vars
- S(c);::R(G)
- S(c);OGATE::R(D)+P(C),XS(c)
- Refutation
- K(b);P-FLIGHT,P_SPINS(c),XP(C)
- Try
- R(G);
- Vars
- S(c);::R(G)
- S(c);OGATE::R(D)+P(C),XS(c)
- Refutation
- K(b);P-FLIGHT,P_SPINS(c),XP(C)
- Try
- R(G);
- Vars
- S(c);::R(G)
- S(c);OGATE::R(D)+P(C),XS(c)
- Refutation
- K(b);P-FLIGHT,P_SPINS(c),XP(C)
- Try
- R(G);
- Vars
- S(c);::R(G)
- S(c);OGATE::R(D)+P(C),XS(c)
- Refutation
- K(b);P-FLIGHT,P_SPINS(c),XP(C)
- Try
- R(G);
- Vars
- S(c);::R(G)
- S(c);OGATE::R(D)+P(C),XS(c)
- Refutation
- K(b);P-FLIGHT,P_SPINS(c),XP(C)
- Try
- Q(E);
- Vars
- S(c);::QAB1(E),XP(a)
- Refutation
- K(b);S_FLIGHT,XP(F)
- Try
- Q(E);CHECK
- Refutation
- K(b);S_FLIGHT,XQ(E)
- Try
- Actual
- R(G);
- Threat
- QAR2(E)
- Vars
- K(b);P-FLIGHT,P_SPINS(c),XP(C)::QAB1(E)
- S(c);OGATE,XR(G)::R(D)+P(C),XS(c)
- P(d);N_GUARD,XR(G)::QAR1(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).