MESON Chess Problem Database
Problem Display
PID: 7224 (B7/2QK1pNb/1p2Pp2/p2P4/1p2k2r/1R2P1r1/1N1P2PB/7n w - - 0 1)
Pachl, Franz
4th HM., The Problemist, 1998
#2
12 + 10
| 23 | Die Schwalbe | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Rxg2
- 2.d6#
- 1...Rxe3
- 2.Qc4#
- 1...Rf3
- 2.Qc2#
- 2.Qc4#
- 2.d6#
- 1...Rgh3
- 2.Qc2#
- 2.Qc4#
- 2.d6#
- 1...Rgg4
- 2.Qc2#
- 2.Qc4#
- 2.d6#
- 1...Rg5
- 2.Qc2#
- 2.Qc4#
- 1...Rg6
- 2.Qc2#
- 2.Qc4#
- 2.d6#
- 1...Rxg7
- 2.Qc2#
- 1...Rxh2
- 2.Qf4#
- 1...Rhh3
- 2.Qf4#
- 1...Rf4
- 2.Qxf4#
- 1...Rh5
- 2.Qf4#
- 1...Rh6
- 2.Qf4#
- 1...a4
- 2.Rxb4#
- 1...fxe6
- 2.dxe6#
- 1...Rxg2
- Tries
- 1.Kd6?
- threat
- 2.Qc2#
- 2.Qc4#
- 1...Rxe3
- 2.Qc4#
- 1...Rxg7
- 2.Qc2#
- 1...Sf2
- 2.Qc4#
- 1...b5
- 2.Qc2#
- 1...Rxg2!
- threat
- 1.Sd3?
- threat
- 2.Qc4#
- 2.d6#
- 1...Rxg2
- 2.d6#
- 1...Rxe3
- 2.Qc4#
- 1...Rg5
- 2.Qc4#
- 1...Rh5
- 2.Qf4#
- 2.Qc4#
- 1...b5
- 2.Sc5#
- 2.d6#
- 1...Rxg7!
- threat
- 1.Sc4?
- threat
- 2.d3#
- 2.d6#
- 1...Rxg2
- 2.d6#
- 1...Rxg7
- 2.Sd6#
- 1...Rg5
- 2.Sd6#
- 2.d3#
- 1...Rh5
- 2.Qf4#
- 2.d3#
- 1...Sf2
- 2.d6#
- 1...Rxe3!
- threat
- 1.Bxg3?
- threat
- 2.Qc2#
- 2.Qc4#
- 2.d6#
- 1...Rf4
- 2.Qxf4#
- 1...Rh5
- 2.Qf4#
- 2.Qc2#
- 2.Qc4#
- 1...Sf2
- 2.Qc4#
- 2.d6#
- 1...b5
- 2.Qc2#
- 2.d6#
- 1...Sxg3!
- threat
- 1.Rd3?
- threat
- 2.Rd4#
- 1...Rxg2
- 2.d6#
- 1...Rxe3
- 2.Qc4#
- 2.d6#
- 1...Rxg7!
- threat
- 1.Qxg3?
- threat
- 2.Qxh4#
- 2.Qf3#
- 2.d3#
- 2.d6#
- 1...Rxh2
- 2.Qf4#
- 2.d3#
- 2.d6#
- 1...Rf4
- 2.Qxf4#
- 1...Rg4
- 2.Qf3#
- 2.Qxg4#
- 2.d3#
- 2.d6#
- 1...Rh3
- 2.Qf4#
- 2.Qg4#
- 2.d3#
- 2.d6#
- 1...Rh5
- 2.Qf4#
- 2.Qf3#
- 2.Qg4#
- 2.d3#
- 1...Rh6
- 2.Qf4#
- 2.Qf3#
- 2.Qg4#
- 2.d3#
- 2.d6#
- 1...Bf5
- 2.Qf3#
- 2.d3#
- 2.d6#
- 1...Sf2
- 2.Qf3#
- 2.d6#
- 1...f5
- 2.Qe5#
- 2.Qf3#
- 2.d3#
- 2.d6#
- 1...Sxg3!
- threat
- 1.Qe5+?
- 1...fxe5
- 2.d6#
- 1...Kxe5!
- 1...fxe5
- 1.Qc3?
- threat
- 2.Qd4#
- 2.d6#
- 1...Rxg2
- 2.d6#
- 1...Rxe3
- 2.Qxe3#
- 2.Qc4#
- 2.d6#
- 1...Rxg7
- 2.Qc2#
- 2.Qd3#
- 1...Rg5
- 2.Qd4#
- 2.Qc2#
- 2.Qd3#
- 2.Qc4#
- 1...Rh5
- 2.Qd4#
- 1...bxc3!
- threat
- 1.d4?
- threat
- 2.Qc2#
- 2.d6#
- 1...Rxg2
- 2.d6#
- 1...Rxg7
- 2.Qc2#
- 1...Rg5
- 2.Qc2#
- 1...Rh5
- 2.Qf4#
- 2.Qc2#
- 1...Sf2
- 2.d6#
- 1...Rxe3!
- threat
- 1.e7?
- threat
- 2.e8Q#
- 2.e8R#
- 1...Rxg2
- 2.d6#
- 1...Rxe3
- 2.Qc4#
- 1...Rxg7
- 2.Qc2#
- 1...Rxh2
- 2.Qf4#
- 2.e8Q#
- 2.e8R#
- 1...Rhg4
- 2.e8Q#
- 2.e8R#
- 1...Rf3
- 2.Qc2#
- 2.Qc4#
- 2.d6#
- 2.e8Q#
- 2.e8R#
- 1...Rgh3
- 2.Qc2#
- 2.Qc4#
- 2.d6#
- 2.e8Q#
- 2.e8R#
- 1...Rgg4
- 2.Qc2#
- 2.Qc4#
- 2.d6#
- 2.e8Q#
- 2.e8R#
- 1...Rg5
- 2.Qc2#
- 2.Qc4#
- 1...Rg6
- 2.Qc2#
- 2.Qc4#
- 2.d6#
- 2.e8Q#
- 2.e8R#
- 1...Rhh3
- 2.Qf4#
- 2.e8Q#
- 2.e8R#
- 1...Rf4
- 2.Qxf4#
- 2.e8Q#
- 2.e8R#
- 1...Rh5
- 2.Qf4#
- 1...Rh6
- 2.Qf4#
- 2.e8Q#
- 2.e8R#
- 1...Bg6
- 2.e8Q#
- 2.e8R#
- 1...Bg8
- 2.e8Q#
- 2.e8R#
- 1...Sf2
- 2.e8Q#
- 2.e8R#
- 1...a4
- 2.Rxb4#
- 2.e8Q#
- 2.e8R#
- 1...b5
- 2.e8Q#
- 2.e8R#
- 1...f5
- 2.e8Q#
- 2.e8R#
- 1...Bf5+!
- threat
- 1.Kd6?
- Keys
- 1.Sd1!
- threat
- 2.d3#
- 1...Rxg2
- 2.d6#
- 1...Rxe3
- 2.Qc4#
- 1...Rxg7
- 2.Qc2#
- 1...Sf2
- 2.Sxf2#
- threat
- 1.Sd1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 7
- Sets
- R(b);XP(C)::B(L)+P(G)
- R(b);XP(F)::QAR2(I)
- R(b);XS(K)::QAB(I)
- R(e);N_GUARD,XB(D)::QAR1(I)
- R(e);N_GUARD::QAR1(I)
- R(e);N_GUARD::QAR1(I),XR(e)
- P(f);N_GUARD::R(E),XP(c)
- P(i);OGATE,XP(H)::B(L)+P(G),XP(i)
- Tries
- Try
- K(J);P-FLIGHT
- Threat
- DUALS(2)
- Vars
- R(b);XP(F)::QAR2(I)
- R(b);XS(K)::QAB(I)
- S(a);::QAR2(I)
- P(g);::QAB(I)
- Refutation
- R(b);XP(C)
- Try
- S(A);
- Threat
- DUALS(2)
- Vars
- R(b);XP(C)::B(L)+P(G)
- R(b);XP(F)::QAR2(I)
- R(b);::QAR2(I)
- Refutation
- R(b);XS(K)
- Try
- S(A);
- Threat
- DUALS(2)
- Vars
- R(b);XP(C)::B(L)+P(G)
- R(b);XS(K)::S(A)
- S(a);::B(L)+P(G)
- Refutation
- R(b);XP(F)
- Try
- B(D);XR(b)
- Threat
- DUALS(3)
- Vars
- R(e);N_GUARD::QAR1(I),XR(e)
- Refutation
- S(a);XB(D)
- Try
- R(E);
- Threat
- R1(E)
- Vars
- R(b);XP(C)::B(L)+P(G)
- Refutation
- R(b);XS(K)
- Try
- Q(I);XR(b)
- Threat
- DUALS(4)
- Vars
- R(e);N_GUARD::QAR1(I),XR(e)
- Refutation
- S(a);XQ(I)
- Try
- Q(I);CHECK
- Vars
- P(h);SBLOCK,XQ(I)::B(L)+P(G)
- Refutation
- K(d);P-FLIGHT,P_SPINR(b),XQ(I)
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- R(b);XP(C)::B(L)+P(G)
- R(e);::QAR1(I)
- Refutation
- P(c);XQ(I)
- Try
- P(B);
- Threat
- DUALS(2)
- Vars
- R(b);XP(C)::B(L)+P(G)
- R(b);XS(K)::QAB(I)
- R(b);::QAB(I)
- S(a);::B(L)+P(G)
- Refutation
- R(b);XP(F)
- Try
- P(H);
- Threat
- P=Q
- Vars
- R(b);XP(C)::B(L)+P(G)
- R(b);XP(F)::QAR2(I)
- R(b);XS(K)::QAB(I)
- R(e);::P=Q
- R(e);N_GUARD::QAR1(I)
- B(j);::P=Q
- S(a);::P=Q
- P(g);::P=Q
- P(h);::P=Q
- Refutation
- B(j);CHECK
- Try
- Actual
- S(A);
- Threat
- P(B)
- Vars
- R(b);XP(C)::B(L)+P(G)
- R(b);XP(F)::QAR2(I)
- R(b);XS(K)::QAB(I)
- S(a);N_GUARD::S(A),XS(a)
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).