MESON Chess Problem Database
Problem Display
PID: 176455 (2N2K2/Rn2p1pQ/2P1k3/1pbpN1Pb/5P2/Rn3p1r/8/8 w - - 0 1)
Heinz, Rainer
Schach-Echo, 1983
#2
9 + 11
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Bg4
- 2.Qg6#
- 1...Bg6
- 2.Qxg6#
- 1...Bf7
- 2.Qxh3#
- 1...Be8
- 2.Qxh3#
- 1...Sd6
- 2.Rxe7#
- 1...g6
- 2.Qf7#
- 1...Bg4
- Tries
- 1.Sd3?
- threat
- 2.f5#
- 1...Bg6
- 2.Qxg6#
- 1...d4
- 2.Qe4#
- 1...g6
- 2.Qf7#
- 1...Bg4
- 2.Qg6#
- 1...Sd6
- 2.Rxe7#
- 1...Sd4!
- threat
- 1.Sxf3?
- threat
- 2.f5#
- 1...Bxf3
- 2.Qg6#
- 1...Bg6
- 2.Qxg6#
- 1...d4
- 2.Qe4#
- 1...g6
- 2.Qf7#
- 1...Bg4
- 2.Qg6#
- 1...Sd4
- 2.Re3#
- 1...Sd6
- 2.Rxe7#
- 1...Rxf3!
- threat
- 1.Sc4?
- threat
- 2.f5#
- 1...dxc4
- 2.Qe4#
- 1...Bg6
- 2.Qxg6#
- 1...d4
- 2.Qe4#
- 1...g6
- 2.Qf7#
- 1...Bg4
- 2.Qg6#
- 1...Sd4
- 2.Re3#
- 1...Sd6
- 2.Rxe7#
- 1...bxc4!
- threat
- 1.Sd7?
- threat
- 2.f5#
- 1...Bg6
- 2.Qxg6#
- 1...d4
- 2.Qe4#
- 1...g6
- 2.Qf7#
- 1...Bg4
- 2.Qg6#
- 1...Sd4
- 2.Re3#
- 1...Sd6!
- threat
- 1.Sf7?
- threat
- 2.f5#
- 1...Bxf7
- 2.Qxh3#
- 1...Bg6
- 2.Qxg6#
- 1...d4
- 2.Qe4#
- 1...Bg4
- 2.Qg6#
- 1...Sd4
- 2.Re3#
- 1...Sd6
- 2.Sd8#
- 2.Rxe7#
- 1...g6!
- threat
- 1.Qg8+?
- 1...Bf7
- 2.Qxf7#
- 1...Kf5!
- 1...Bf7
- 1.Sd3?
- Keys
- 1.Sg4!
- threat
- 2.f5#
- 1...Bxg4
- 2.Qg6#
- 1...Bg6
- 2.Qxg6#
- 1...d4
- 2.Qe4#
- 1...g6
- 2.Qf7#
- 1...Sd4
- 2.Re3#
- 1...Sd6
- 2.Rxe7#
- threat
- 1.Sg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- B(g);N_GUARD::QAR2(G)
- B(g);N_GUARD::QAR2(G),XB(g)
- B(g);OGATE::QAB(G),XR(c)
- S(i);OGATE::R1(F),XP(j)
- P(k);OGATE::QAB1(G)
- Tries
- Try
- S(C);
- Threat
- P(B)
- Vars
- B(g);N_GUARD::QAR2(G),XB(g)
- P(f);N_GUARD::QAR2(G)
- P(k);OGATE::QAB1(G)
- B(g);N_GUARD::QAR2(G)
- S(i);OGATE::R1(F),XP(j)
- Refutation
- S(a);
- Try
- S(C);XP(b)
- Threat
- P(B)
- Vars
- B(g);N_GUARD,XS(C)::QAR2(G)
- B(g);N_GUARD::QAR2(G),XB(g)
- P(f);N_GUARD::QAR2(G)
- P(k);OGATE::QAB1(G)
- B(g);N_GUARD::QAR2(G)
- S(a);OGATE::R(A)
- S(i);OGATE::R1(F),XP(j)
- Refutation
- R(c);P_PINP(B),XS(C)
- Try
- S(C);
- Threat
- P(B)
- Vars
- P(f);N_GUARD,XS(C)::QAR2(G)
- B(g);N_GUARD::QAR2(G),XB(g)
- P(f);N_GUARD::QAR2(G)
- P(k);OGATE::QAB1(G)
- B(g);N_GUARD::QAR2(G)
- S(a);OGATE::R(A)
- S(i);OGATE::R1(F),XP(j)
- Refutation
- P(d);XS(C)
- Try
- S(C);
- Threat
- P(B)
- Vars
- B(g);N_GUARD::QAR2(G),XB(g)
- P(f);N_GUARD::QAR2(G)
- P(k);OGATE::QAB1(G)
- B(g);N_GUARD::QAR2(G)
- S(a);OGATE::R(A)
- Refutation
- S(i);
- Try
- S(C);
- Threat
- P(B)
- Vars
- B(g);OGATE,XS(C)::QAB(G),XR(c)
- B(g);N_GUARD::QAR2(G),XB(g)
- P(f);N_GUARD::QAR2(G)
- B(g);N_GUARD::QAR2(G)
- S(a);OGATE::R(A)
- Refutation
- P(k);
- Try
- Q(G);CHECK
- Vars
- B(g);N_GUARD,P_SPINB(g)::QAB1(G),XB(g)
- Refutation
- K(h);S_FLIGHT
- Try
- Actual
- S(C);
- Threat
- P(B)
- Vars
- B(g);N_GUARD,XS(C)::QAR2(G)
- B(g);N_GUARD::QAR2(G),XB(g)
- P(f);N_GUARD::QAR2(G)
- P(k);OGATE::QAB1(G)
- S(a);OGATE::R(A)
- S(i);OGATE::R1(F),XP(j)
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).