MESON Chess Problem Database
Problem Display
PID: 118208 (8/1RBQR3/2PKBp1N/2P1p3/N2kp3/1P2pqr1/2P1n3/4b3 w - - 0 1)
Petkov, Petko Andonov
SEPA, 1971
#2
12 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qh1
- 2.Sf5#
- 1...Qg2
- 2.Sf5#
- 1...Qf5
- 2.Sxf5#
- 1...Bf2
- 2.Rb4#
- 1...Bb4
- 2.Rxb4#
- 1...Sc3
- 2.Rb4#
- 1...Sf4
- 2.Sf5#
- 1...Qh1
- Tries
- 1.Bh3?
- threat
- 2.Ke6#
- 1...Qf5
- 2.Sxf5#
- 1...Sc3
- 2.Rb4#
- 1...Sf4
- 2.Sf5#
- 1...Qg4!
- threat
- 1.Bg4?
- threat
- 2.Ke6#
- 1...Qf5
- 2.Sxf5#
- 1...Sc3
- 2.Rb4#
- 1...Sf4
- 2.Sf5#
- 1...Qxg4!
- threat
- 1.Bf5?
- threat
- 2.Ke6#
- 1...Qxf5
- 2.Sxf5#
- 1...Sc3
- 2.Rb4#
- 1...Sf4!
- threat
- 1.Bf7?
- threat
- 2.Ke6#
- 1...Qf5
- 2.Sxf5#
- 1...Sc3
- 2.Rb4#
- 1...Sf4
- 2.Sf5#
- 1...Qg4!
- threat
- 1.Bg8?
- threat
- 2.Ke6#
- 1...Qf5
- 2.Sxf5#
- 1...Sc3
- 2.Rb4#
- 1...Sf4
- 2.Sf5#
- 1...Qg4!
- threat
- 1.Ba5?
- threat
- 2.Kc7#
- 1...Sc3
- 2.Rb4#
- 1...Sf4
- 2.Sf5#
- 1...Bxa5!
- threat
- 1.Bb6?
- threat
- 2.Kc7#
- 1...Sf4
- 2.Sf5#
- 1...Sc3!
- threat
- 1.Bb8?
- threat
- 2.Kc7#
- 1...Sc3
- 2.Rb4#
- 1...Sf4
- 2.Sf5#
- 1...Ba5!
- threat
- 1.Bd8?
- threat
- 2.Kc7#
- 1...Sc3
- 2.Rb4#
- 1...Sf4
- 2.Sf5#
- 1...Ba5!
- threat
- 1.Rg7?
- threat
- 2.Ke7#
- 1...Sc3
- 2.Rb4#
- 1...Sf4
- 2.Sf5#
- 1...Rxg7!
- threat
- 1.Rh7?
- threat
- 2.Ke7#
- 1...Sc3
- 2.Rb4#
- 1...Sf4
- 2.Sf5#
- 1...Rg7!
- threat
- 1.Re8?
- threat
- 2.Ke7#
- 1...Sc3
- 2.Rb4#
- 1...Sf4
- 2.Sf5#
- 1...Rg7!
- threat
- 1.Bh3?
- Keys
- 1.Rf7!
- threat
- 2.Ke7#
- 1...Sc3
- 2.Rb4#
- 1...Sf4
- 2.Sf5#
- threat
- 1.Rf7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 5
- Sets
- Q(d);N_GUARD::S(H)
- Q(d);N_GUARD::S(H),XQ(d)
- B(a);N_GUARD::R(I)
- B(a);N_GUARD,P_PINP(D)::R(I),XB(a)
- S(b);S_CUTB(a)::R(I)
- S(b);S_CUTQ(d)::S(H)
- Tries
- Try
- B(G);
- Threat
- QAR(K)+K(F)
- Vars
- Q(d);N_GUARD::S(H),XQ(d)
- S(b);S_CUTB(a)::R(I)
- S(b);S_CUTQ(d)::S(H)
- Refutation
- Q(d);
- Try
- B(G);
- Threat
- QAR(K)+K(F)
- Vars
- Q(d);N_GUARD::S(H),XQ(d)
- S(b);S_CUTB(a)::R(I)
- S(b);S_CUTQ(d)::S(H)
- Refutation
- Q(d);XB(G)
- Try
- B(G);
- Threat
- QAR(K)+K(F)
- Vars
- Q(d);XB(G)::S(H),XQ(d)
- S(b);S_CUTB(a)::R(I)
- Refutation
- S(b);
- Try
- B(G);
- Threat
- QAR(K)+K(F)
- Vars
- Q(d);N_GUARD::S(H),XQ(d)
- S(b);S_CUTB(a)::R(I)
- S(b);S_CUTQ(d)::S(H)
- Refutation
- Q(d);
- Try
- B(G);
- Threat
- QAR(K)+K(F)
- Vars
- Q(d);N_GUARD::S(H),XQ(d)
- S(b);S_CUTB(a)::R(I)
- S(b);S_CUTQ(d)::S(H)
- Refutation
- Q(d);
- Try
- B(J);
- Threat
- QAR(K)+K(F)
- Vars
- S(b);S_CUTB(a)::R(I)
- S(b);S_CUTQ(d)::S(H)
- Refutation
- B(a);XB(J)
- Try
- B(J);
- Threat
- QAR(K)+K(F)
- Vars
- S(b);S_CUTQ(d)::S(H)
- Refutation
- S(b);
- Try
- B(J);
- Threat
- QAR(K)+K(F)
- Vars
- S(b);S_CUTB(a)::R(I)
- S(b);S_CUTQ(d)::S(H)
- Refutation
- B(a);
- Try
- B(J);
- Threat
- QAR(K)+K(F)
- Vars
- S(b);S_CUTB(a)::R(I)
- S(b);S_CUTQ(d)::S(H)
- Refutation
- B(a);
- Try
- R(L);
- Threat
- QAR(K)+K(F)
- Vars
- S(b);S_CUTB(a)::R(I)
- S(b);S_CUTQ(d)::S(H)
- Refutation
- R(e);XR(L)
- Try
- R(L);
- Threat
- QAR(K)+K(F)
- Vars
- S(b);S_CUTB(a)::R(I)
- S(b);S_CUTQ(d)::S(H)
- Refutation
- R(e);
- Try
- R(L);
- Threat
- QAR(K)+K(F)
- Vars
- S(b);S_CUTB(a)::R(I)
- S(b);S_CUTQ(d)::S(H)
- Refutation
- R(e);
- Try
- Actual
- R(L);
- Threat
- QAR(K)+K(F)
- Vars
- S(b);S_CUTB(a)::R(I)
- S(b);S_CUTQ(d)::S(H)
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).