MESON Chess Problem Database
Problem Display
PID: 99956 (8/3p4/1QpP4/7p/2k3pP/p2R1nR1/P1Pp4/3K4 w - - 0 1)
Schonberger, Tibor
Magyar Sakkvilag, 1924
#2
8 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Se1
- 2.Rd4#
- 1...Sg1
- 2.Rd4#
- 1...Sh2
- 2.Rd4#
- 1...Sd4
- 2.Rxd4#
- 1...Sxh4
- 2.Rd4#
- 1...Se5
- 2.Rd4#
- 1...Sg5
- 2.Rd4#
- 1...c5
- 2.Qb3#
- 1...Se1
- Tries
- 1.Rxd2?
- 1...Kc3
- 2.Qd4#
- 2.Qb3#
- 1...Sxh4
- 2.Rd4#
- 1...Se1
- 2.Rd4#
- 1...Sg1
- 2.Rd4#
- 1...Sh2
- 2.Rd4#
- 1...Sd4
- 2.Rxd4#
- 1...Se5
- 2.Rd4#
- 1...Sg5
- 2.Rd4#
- 1...c5
- 2.Qb3#
- 1...Sxd2!
- 1...Kc3
- 1.Rd4+?
- 1...Kc3
- 2.Qb4#
- 1...Sxd4!
- 1...Kc3
- 1.Rgxf3?
- threat
- 2.Rd4#
- 2.Rf4#
- 1...c5
- 2.Rf4#
- 2.Qb3#
- 1...gxf3!
- threat
- 1.Rxg4+?
- 1...Sd4
- 2.Rgxd4#
- 1...hxg4!
- 1...Sd4
- 1.Rxd2?
- Keys
- 1.c3!
- 1...Kxd3
- 2.Qd4#
- 1...Sxh4
- 2.Rd4#
- 2.Qb4#
- 1...Se1
- 2.Rd4#
- 2.Qb4#
- 1...Sg1
- 2.Rd4#
- 2.Qb4#
- 1...Sh2
- 2.Rd4#
- 2.Qb4#
- 1...Sd4
- 2.Rxd4#
- 1...Se5
- 2.Rd4#
- 2.Qb4#
- 1...Sg5
- 2.Rd4#
- 2.Qb4#
- 1...c5
- 2.Qa6#
- 1...Kxd3
- 1.c3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 6
- Sets
- S(c);N_GUARD::R1(D)
- S(c);N_GUARD::R1(D),XS(c)
- S(c);N_GUARD,XP(F)::R1(D)
- P(g);SBLOCK::QAB1(G)
- Tries
- Try
- R(D);XP(a)
- Vars
- S(c);N_GUARD,XP(F)::R1(D)
- S(c);N_GUARD::R1(D)
- S(c);N_GUARD::R1(D),XS(c)
- P(g);SBLOCK::QAB1(G)
- Refutation
- S(c);XR(D)
- Try
- R(D);CHECK
- Vars
- K(d);P-FLIGHT,P_SPINS(c)::QAB1(G)
- Refutation
- S(c);XR(D)
- Try
- R(E);XS(c)
- Threat
- DUALS(2)
- Refutation
- P(e);XR(E)
- Try
- R(E);CHECK,XP(e)
- Vars
- S(c);N_GUARD,P_SPINS(c)::R1(E),XS(c)
- Refutation
- P(f);XR(E)
- Try
- Actual
- P(C);
- Vars
- K(d);P_SPINS(c),S_FLIGHT,XR(D)::QAR1(G)
- S(c);N_GUARD::R1(D),XS(c)
- P(g);SBLOCK::QAB(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).