MESON Chess Problem Database
Problem Display
PID: 90005 (8/2p5/3r4/R1Q1B3/4k1P1/K2pNn1r/n2P1RP1/8 w - - 0 1)
Paslack, Rainer
Die Schwalbe, 1997
#2
9 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.gxf3#
- 1...Rh2
- 2.gxf3#
- 1...Rh4
- 2.gxf3#
- 1...Rh5
- 2.gxf3#
- 1...Rhh6
- 2.gxf3#
- 1...Rh7
- 2.gxf3#
- 1...Rh8
- 2.gxf3#
- 1...Rd5
- 2.Qxd5#
- 1...Ra6
- 2.Qd5#
- 1...Rb6
- 2.Qd5#
- 1...Rc6
- 2.Qd5#
- 2.Qxc6#
- 1...Re6
- 2.Qd5#
- 1...Rf6
- 2.Qd5#
- 1...Rg6
- 2.Qd5#
- 1...Rdh6
- 2.Qd5#
- 1...Se1
- 2.Rf4#
- 1...Sg1
- 2.Rf4#
- 1...Sxd2
- 2.Rf4#
- 1...Sh2
- 2.Rf4#
- 1...Sd4
- 2.Rf4#
- 1...Sh4
- 2.Rf4#
- 1...Sxe5
- 2.Qxe5#
- 1...Sg5
- 2.Rf4#
- 1...Rh1
- Tries
- 1.Sd1?
- threat
- 2.Qe3#
- 1...Sxd2
- 2.Rf4#
- 1...Sxe5
- 2.Qxe5#
- 1...Se1
- 2.Rf4#
- 1...Sg1
- 2.Rf4#
- 1...Sh2
- 2.Rf4#
- 1...Sd4
- 2.Rf4#
- 1...Sh4
- 2.Rf4#
- 1...Sg5
- 2.Rf4#
- 1...Rd4!
- threat
- 1.Sf1?
- threat
- 2.Qe3#
- 1...Sxd2
- 2.Sxd2#
- 2.Rf4#
- 1...Sxe5
- 2.Qxe5#
- 1...Se1
- 2.Rf4#
- 1...Sg1
- 2.Rf4#
- 1...Sh2
- 2.Rf4#
- 1...Sd4
- 2.Rf4#
- 1...Sh4
- 2.Rf4#
- 1...Sg5
- 2.Rf4#
- 1...Rd4!
- threat
- 1.Sc2?
- threat
- 2.Qe3#
- 1...Sxd2
- 2.Rf4#
- 1...Sxe5
- 2.Qxe5#
- 1...Se1
- 2.Rf4#
- 1...Sg1
- 2.Rf4#
- 1...Sh2
- 2.Rf4#
- 1...Sd4
- 2.Rf4#
- 1...Sh4
- 2.Rf4#
- 1...Sg5
- 2.Rf4#
- 1...Rd4!
- threat
- 1.Sc4?
- threat
- 2.Qe3#
- 1...Sxd2
- 2.Sxd2#
- 2.Rf4#
- 1...Sxe5
- 2.Qxe5#
- 1...Se1
- 2.Rf4#
- 1...Sg1
- 2.Rf4#
- 1...Sh2
- 2.Rf4#
- 1...Sd4
- 2.Rf4#
- 1...Sh4
- 2.Rf4#
- 1...Sg5
- 2.Rf4#
- 1...Rd4!
- threat
- 1.Sf5?
- threat
- 2.Qe3#
- 1...Sxd2
- 2.Rf4#
- 1...Sxe5
- 2.Qxe5#
- 1...Se1
- 2.Rf4#
- 1...Sg1
- 2.Rf4#
- 1...Sh2
- 2.Rf4#
- 1...Sd4
- 2.Rf4#
- 1...Sh4
- 2.Rf4#
- 1...Sg5
- 2.Rf4#
- 1...Rd4!
- threat
- 1.Bg3?
- threat
- 2.gxf3#
- 1...Sxd2
- 2.Rf4#
- 2.Qe5#
- 1...Rf6
- 2.Qd5#
- 1...Se1
- 2.Rf4#
- 2.Qe5#
- 1...Sg1
- 2.Rf4#
- 2.Qe5#
- 1...Sh2
- 2.Rf4#
- 2.Qe5#
- 1...Sd4
- 2.Rf4#
- 2.Qe5#
- 1...Sh4
- 2.Rf4#
- 2.Qe5#
- 1...Se5
- 2.Rf4#
- 2.Qxe5#
- 1...Sg5
- 2.Rf4#
- 2.Qe5#
- 1...Rxg3!
- threat
- 1.Rxf3?
- threat
- 2.Rf4#
- 1...Rd5
- 2.Qxd5#
- 1...Rf6
- 2.Qd4#
- 2.Qc4#
- 2.Qd5#
- 1...Rxf3!
- threat
- 1.Ra4+?
- 1...Rd4
- 2.Qd5#
- 1...Sd4
- 2.Rf4#
- 1...Sb4!
- 1...Rd4
- 1.Qd4+?
- 1...Sxd4
- 2.Rf4#
- 1...Rxd4!
- 1...Sxd4
- 1.Qxd6?
- threat
- 2.Qd5#
- 2.Qc6#
- 2.Qg6#
- 1...Sxd2
- 2.Qd4#
- 1...Sxe5
- 2.Rxe5#
- 2.Qxe5#
- 2.Qd5#
- 1...Rh5
- 2.Qd5#
- 2.Qc6#
- 2.gxf3#
- 1...Rh6
- 2.Qd5#
- 2.gxf3#
- 1...Sc3
- 2.Qg6#
- 1...Sb4
- 2.Qg6#
- 1...Sd4
- 2.Rf4#
- 2.Qxd4#
- 2.Qd5#
- 1...Sh4
- 2.Rf4#
- 2.Qd4#
- 2.Qd5#
- 2.Qc6#
- 1...c5
- 2.Qd5#
- 1...c6
- 2.Qxc6#
- 2.Qg6#
- 1...cxd6!
- threat
- 1.Qc4+?
- 1...Sd4
- 2.Rf4#
- 1...Rd4!
- 1...Sd4
- 1.Qc6+?
- 1...Rd5
- 2.Qxd5#
- 1...Rxc6!
- 1...Rd5
- 1.Sd1?
- Keys
- 1.Sd5!
- threat
- 2.Qe3#
- 1...Kxe5
- 2.Qe3#
- 1...Sxd2
- 2.Qd4#
- 1...Sxe5
- 2.Rf4#
- 1...Se1
- 2.Qd4#
- 1...Sg1
- 2.Qd4#
- 1...Sh2
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sh4
- 2.Qd4#
- 1...Sg5
- 2.Qd4#
- threat
- 1.Sd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 8
- ADDED MATES = 1
- REMOVED MATES = 14
- Sets
- R(d);N_GUARD::P(C),XS(c)
- R(f);N_GUARD::QAB1(H),XR(f)
- R(f);N_GUARD,P_PINR(G)::QAB1(H)
- R(f);N_GUARD::QAB1(H)
- S(c);OGATE::R1(B)
- S(c);OGATE,XP(A)::R1(B)
- S(c);OGATE,XB(I)::QAR1(H),XS(c)
- Tries
- Try
- S(E);
- Threat
- QAR1(H)
- Vars
- S(c);OGATE,XP(A)::R1(B)
- S(c);OGATE,XB(I)::QAR1(H),XS(c)
- S(c);OGATE::R1(B)
- Refutation
- R(f);
- Try
- S(E);
- Threat
- QAR1(H)
- Vars
- S(c);OGATE,XB(I)::QAR1(H),XS(c)
- S(c);OGATE::R1(B)
- Refutation
- R(f);
- Try
- S(E);
- Threat
- QAR1(H)
- Vars
- S(c);OGATE,XP(A)::R1(B)
- S(c);OGATE,XB(I)::QAR1(H),XS(c)
- S(c);OGATE::R1(B)
- Refutation
- R(f);
- Try
- S(E);
- Threat
- QAR1(H)
- Vars
- S(c);OGATE,XB(I)::QAR1(H),XS(c)
- S(c);OGATE::R1(B)
- Refutation
- R(f);
- Try
- S(E);
- Threat
- QAR1(H)
- Vars
- S(c);OGATE,XP(A)::R1(B)
- S(c);OGATE,XB(I)::QAR1(H),XS(c)
- S(c);OGATE::R1(B)
- Refutation
- R(f);
- Try
- B(I);
- Threat
- P(C),XS(c)
- Vars
- R(f);N_GUARD::QAB1(H)
- Refutation
- R(d);XB(I)
- Try
- R(B);XS(c)
- Threat
- R1(B)
- Vars
- R(f);N_GUARD::QAB1(H),XR(f)
- Refutation
- R(d);XR(B)
- Try
- R(G);CHECK
- Vars
- R(f);P_SPINR(f)::QAB1(H)
- S(c);OGATE,P_SPINS(c)::R1(B)
- Refutation
- S(a);P_SPINS(a)
- Try
- Q(H);CHECK
- Vars
- S(c);OGATE,XQ(H)::R1(B)
- Refutation
- R(f);XQ(H)
- Try
- Q(H);XR(f)
- Threat
- DUALS(3)
- Vars
- S(c);N_GUARD,XP(A)::QAR1(H)
- S(a);::QAB(H)
- P(g);::QAB1(H)
- Refutation
- P(g);XQ(H)
- Try
- Q(H);CHECK
- Vars
- S(c);OGATE,P_SPINS(c)::R1(B)
- Refutation
- R(f);P_SPINR(f)
- Try
- Q(H);CHECK
- Vars
- R(f);N_GUARD,P_SPINR(f)::QAB1(H),XR(f)
- Refutation
- R(f);XQ(H)
- Try
- Actual
- S(E);
- Threat
- QAR1(H)
- Vars
- K(e);P-FLIGHT,XB(I)::QAR2(H)
- S(c);N_GUARD,XP(A)::QAR1(H)
- S(c);OGATE,SBLOCK,XB(I)::R1(B)
- S(c);N_GUARD::QAR1(H)
- S(c);N_GUARD::QAR1(H),XS(c)
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).