MESON Chess Problem Database
Problem Display
PID: 99978 (2n1b1N1/3p3p/1p1P2kp/1PpQ1R2/2K2P2/4NP2/p7/B7 w - - 0 1)
Bajtay, Jozsef
Magyar Sakkvilag, 1928
#2
10 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bf7
- 2.Qxf7#
- 1...Sxd6+
- 2.Qxd6#
- 1...Sa7
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...h5
- 2.Rg5#
- 1...Bf7
- Tries
- 1.Kb3?
- 1...Sxd6
- 2.Se7#
- 2.Qxd6#
- 1...Bf7
- 2.Qxf7#
- 1...Sa7
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...h5
- 2.Rg5#
- 1...c4+!
- 1...Sxd6
- 1.Kd3?
- 1...Sxd6
- 2.Se7#
- 2.Qxd6#
- 1...Bf7
- 2.Qxf7#
- 1...Sa7
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...h5
- 2.Rg5#
- 1...c4+!
- 1...Sxd6
- 1.Sd1?
- 1...Bf7
- 2.Qxf7#
- 1...Sa7
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...h5
- 2.Rg5#
- 1...Sxd6+!
- 1...Bf7
- 1.Sf1?
- 1...Bf7
- 2.Qxf7#
- 1...Sa7
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...h5
- 2.Rg5#
- 1...Sxd6+!
- 1...Bf7
- 1.Sc2?
- 1...Bf7
- 2.Qxf7#
- 1...Sa7
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...h5
- 2.Rg5#
- 1...Sxd6+!
- 1...Bf7
- 1.Sg4?
- 1...Bf7
- 2.Qxf7#
- 1...Sa7
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...h5
- 2.Rg5#
- 1...Sxd6+!
- 1...Bf7
- 1.Rh5?
- threat
- 2.Rxh6#
- 2.Qf5#
- 1...Bf7
- 2.Rxh6#
- 1...Se7
- 2.Sxe7#
- 2.Rxh6#
- 1...Sxd6+!
- threat
- 1.Rf8?
- threat
- 2.Qf5#
- 1...Bf7
- 2.Qxf7#
- 1...Se7
- 2.Sxe7#
- 1...Sxd6+!
- threat
- 1.Qe4?
- threat
- 2.Qxe8#
- 1...Bf7+
- 2.Rd5#
- 1...Se7
- 2.Sxe7#
- 1...Sxd6+!
- threat
- 1.Qd1?
- threat
- 2.Qg1#
- 1...Sxd6+
- 2.Qxd6#
- 1...Bf7+!
- threat
- 1.Qd2?
- threat
- 2.Qg2#
- 1...Sxd6+
- 2.Qxd6#
- 1...Bf7+!
- threat
- 1.Qe5?
- threat
- 2.Qf6#
- 2.Qg7#
- 2.Qxe8#
- 1...Sxd6+
- 2.Qxd6#
- 1...Se7
- 2.Sxe7#
- 2.Qf6#
- 2.Qg7#
- 1...Bf7+!
- threat
- 1.Kb3?
- Keys
- 1.Qd3!
- 1...Bf7+
- 2.Rd5#
- 1...Sxd6+
- 2.Qxd6#
- 1...Sa7
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...h5
- 2.Rf8#
- 1...Bf7+
- 1.Qd3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(i);N_GUARD,P_PINQ(G)::QAB1(G),XB(i)
- S(h);CHECK,OGATE,XP(I)::QAR(G),XS(h)
- S(h);N_GUARD::S(J)
- S(h);N_GUARD::S(J),XS(h)
- P(e);N_GUARD::R1(H)
- Tries
- Try
- K(D);S_FLIGHT
- Vars
- B(i);N_GUARD,P_PINQ(G)::QAB1(G),XB(i)
- S(h);N_GUARD::S(J)
- S(h);N_GUARD::S(J),XS(h)
- P(e);N_GUARD::R1(H)
- Refutation
- P(b);CHECK
- Try
- K(D);S_FLIGHT
- Vars
- B(i);N_GUARD::QAB1(G),XB(i)
- S(h);N_GUARD::S(J)
- S(h);N_GUARD::S(J),XS(h)
- P(e);N_GUARD::R1(H)
- Refutation
- P(b);CHECK
- Try
- S(B);
- Vars
- B(i);N_GUARD,P_PINQ(G)::QAB1(G),XB(i)
- S(h);N_GUARD::S(J)
- S(h);N_GUARD::S(J),XS(h)
- P(e);N_GUARD::R1(H)
- Refutation
- S(h);CHECK,XP(I)
- Try
- S(B);
- Vars
- B(i);N_GUARD,P_PINQ(G)::QAB1(G),XB(i)
- S(h);N_GUARD::S(J)
- S(h);N_GUARD::S(J),XS(h)
- P(e);N_GUARD::R1(H)
- Refutation
- S(h);CHECK,XP(I)
- Try
- S(B);
- Vars
- B(i);N_GUARD,P_PINQ(G)::QAB1(G),XB(i)
- S(h);N_GUARD::S(J)
- S(h);N_GUARD::S(J),XS(h)
- P(e);N_GUARD::R1(H)
- Refutation
- S(h);CHECK,XP(I)
- Try
- S(B);
- Vars
- B(i);N_GUARD,P_PINQ(G)::QAB1(G),XB(i)
- S(h);N_GUARD::S(J)
- S(h);N_GUARD::S(J),XS(h)
- P(e);N_GUARD::R1(H)
- Refutation
- S(h);CHECK,XP(I)
- Try
- R(H);
- Threat
- DUALS(2)
- Vars
- B(i);P_PINQ(G)::R1(H),XP(e)
- Refutation
- S(h);CHECK,XP(I)
- Try
- R(H);
- Threat
- QAB1(G)
- Vars
- B(i);N_GUARD,P_PINQ(G)::QAB1(G),XB(i)
- S(h);N_GUARD::S(J),XS(h)
- Refutation
- S(h);CHECK,XP(I)
- Try
- Q(G);
- Threat
- QAB(G),XB(i)
- Vars
- B(i);CHECK,SBLOCK::QAB(G)+R(H)
- S(h);N_GUARD::S(J),XS(h)
- Refutation
- S(h);CHECK,XP(I)
- Try
- Q(G);
- Threat
- QAR(G)
- Vars
- S(h);CHECK,OGATE,XP(I)::QAR(G),XS(h)
- Refutation
- B(i);CHECK
- Try
- Q(G);
- Threat
- QAR(G)
- Vars
- S(h);CHECK,OGATE,XP(I)::QAR(G),XS(h)
- Refutation
- B(i);CHECK
- Try
- Q(G);
- Threat
- DUALS(3)
- Vars
- S(h);CHECK,OGATE,XP(I)::QAR(G),XS(h)
- Refutation
- B(i);CHECK
- Try
- Actual
- Q(G);
- Vars
- B(i);CHECK,SBLOCK::QAB(G)+R(H)
- S(h);CHECK,OGATE,XP(I)::QAR(G),XS(h)
- S(h);N_GUARD::S(J)
- S(h);N_GUARD::S(J),XS(h)
- P(e);SBLOCK::QAB(G)+R(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).