MESON Chess Problem Database
Problem Display
PID: 115035 (rn2R3/1QN2b2/PP1kPRr1/7q/nP1BBPpN/8/8/5K2 w - - 0 1)
Bakcsi, Gyorgy
BCF, 1959
#2
13 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qxh4
- 2.Sb5#
- 2.Be5#
- 2.Qd5#
- 1...Qb5+
- 2.Sxb5#
- 1...Qd5
- 2.Qxd5#
- 1...Qe5
- 2.Bxe5#
- 2.fxe5#
- 1...Qf5
- 2.Sxf5#
- 1...Qh6
- 2.Sf5#
- 2.Sb5#
- 2.Be5#
- 2.Qd5#
- 1...Qh7
- 2.Sf5#
- 2.Sb5#
- 2.Be5#
- 2.Qd5#
- 1...Qh8
- 2.Sf5#
- 2.Sb5#
- 2.Be5#
- 2.Qd5#
- 1...Bxe8
- 2.Sxe8#
- 1...Sc5
- 2.Sb5#
- 1...Sxa6
- 2.Qc6#
- 1...Sc6
- 2.Qxc6#
- 1...Sd7
- 2.Qc6#
- 1...Qxh4
- Tries
- 1.Sd5?
- threat
- 2.Qc7#
- 1...Sxa6
- 2.Qd7#
- 1...Ra7!
- threat
- 1.Sxa8?
- threat
- 2.Qc7#
- 2.Qe7#
- 2.Qxb8#
- 1...Bxe6
- 2.Rexe6#
- 2.Qc7#
- 2.Qe7#
- 1...Bxe8
- 2.Qc7#
- 1...Sxa6
- 2.Rd8#
- 2.Qc6#
- 2.Qd7#
- 2.Qe7#
- 1...Qc5
- 2.Qe7#
- 1...Qd5
- 2.Qxd5#
- 2.Qc7#
- 1...Sc6
- 2.Qxc6#
- 2.Qc7#
- 2.Qd7#
- 1...Sd7
- 2.Qc6#
- 2.Qc7#
- 2.Qxd7#
- 1...Qb5+!
- threat
- 1.Bc5+?
- 1...Sxc5
- 2.Sb5#
- 1...Qxc5!
- 1...Sxc5
- 1.Bf5?
- threat
- 2.Sb5#
- 2.Be5#
- 2.Qd5#
- 1...Qxf5
- 2.Sxf5#
- 1...Bxe6
- 2.Sb5#
- 2.Qd5#
- 1...Bxe8
- 2.Sxe8#
- 1...Sxb6
- 2.Sb5#
- 2.Bc5#
- 2.Be5#
- 1...Sc3
- 2.Bc5#
- 2.Be5#
- 1...Sd7
- 2.Sb5#
- 2.Qd5#
- 1...Sc6!
- threat
- 1.Rf5?
- threat
- 2.Sb5#
- 2.Be5#
- 2.Qd5#
- 1...Qxf5
- 2.Sxf5#
- 1...Rxe6
- 2.Sb5#
- 2.Qd5#
- 1...Bxe6
- 2.Sb5#
- 1...Sxb6
- 2.Sb5#
- 2.Bc5#
- 2.Be5#
- 1...Qh8
- 2.Sb5#
- 2.Rd5#
- 2.Qd5#
- 1...Sc3
- 2.Bc5#
- 2.Be5#
- 1...Sc6
- 2.Sb5#
- 2.Qxc6#
- 1...Sd7
- 2.Sb5#
- 2.Qd5#
- 2.Qc6#
- 1...Bxe8!
- threat
- 1.Rd8+?
- 1...Sd7
- 2.Rxd7#
- 1...Ke7!
- 1...Sd7
- 1.f5?
- threat
- 2.Sb5#
- 2.Qd5#
- 1...Qxf5+
- 2.Sxf5#
- 1...Bxe8
- 2.Sxe8#
- 1...Sxb6
- 2.Sb5#
- 1...Sc6
- 2.Sb5#
- 2.Qxc6#
- 1...Sc3!
- threat
- 1.exf7+?
- 1...Kd7
- 2.Sb5#
- 2.Sd5#
- 2.Sxa8#
- 2.Qc8#
- 2.f8S#
- 1...Rxf6!
- 1...Kd7
- 1.Sd5?
- Keys
- 1.Bd5!
- threat
- 2.Sb5#
- 1...Qxd5
- 2.Qxd5#
- 1...Bxe8
- 2.Sxe8#
- 1...Sc3
- 2.Bc5#
- 1...Sc6
- 2.Qxc6#
- threat
- 1.Bd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- Q(c);CHECK,N_GUARD::S(L),XQ(c)
- Q(c);N_GUARD::QAR1(K),XQ(c)
- Q(c);N_GUARD,P_PINP(E)::S(F),XQ(c)
- B(f);XR(M)::S(L),XB(f)
- S(a);S_CUTQ(c)::S(L)
- S(h);N_GUARD,XP(G)::QAR1(K)
- S(h);N_GUARD::QAR1(K),XS(h)
- S(h);N_GUARD::QAR1(K)
- Tries
- Try
- S(L);
- Threat
- QAB1(K)
- Vars
- S(h);N_GUARD,XP(G)::QAR1(K)
- Refutation
- R(g);
- Try
- S(L);XR(g)
- Threat
- DUALS(3)
- Vars
- B(f);XR(M)::QAB1(K)
- Q(c);::QAB1(K)
- Refutation
- Q(c);CHECK
- Try
- B(C);CHECK
- Vars
- S(a);XB(C)::S(L)
- Refutation
- Q(c);XB(C)
- Try
- B(D);
- Threat
- DUALS(3)
- Vars
- Q(c);P_PINP(E),XB(D)::S(F),XQ(c)
- B(f);XR(M)::S(L),XB(f)
- Refutation
- S(h);
- Try
- R(J);
- Threat
- DUALS(3)
- Vars
- Q(c);P_PINP(E),XR(J)::S(F),XQ(c)
- B(f);XP(I)::S(L)
- Refutation
- B(f);XR(M)
- Try
- R(M);CHECK
- Vars
- S(h);N_GUARD,P_SPINS(h)::R1(M),XS(h)
- Refutation
- K(d);S_FLIGHT
- Try
- P(E);
- Threat
- DUALS(2)
- Vars
- Q(c);CHECK,XP(E)::S(F),XQ(c)
- B(f);XR(M)::S(L),XB(f)
- S(a);XP(H)::S(L)
- Refutation
- S(a);
- Try
- P(I);CHECK,XB(f)
- Refutation
- R(e);P_PINP(E),XR(J)
- Try
- Actual
- B(D);
- Threat
- S(L)
- Vars
- Q(c);OGATE,XB(D)::QAR1(K),XQ(c)
- B(f);XR(M)::S(L),XB(f)
- S(a);N_GUARD::B(C)
- S(h);N_GUARD::QAR1(K),XS(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).