MESON Chess Problem Database
Problem Display
PID: 242016 (8/8/Q7/3P4/8/3rNNK1/4k3/8 w - - 0 1)
Szentgyorgy, Erno
Magyar Sakkvilag, 1936
#2
5 + 2
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Kxe3
- 2.Qe6#
- 1...Kxe3
- Tries
- 1.Sd1?
- 1...Kf1
- 2.Qxd3#
- 1...Kxd1!
- 1...Kf1
- 1.Sf1?
- 1...Kxf1
- 2.Qxd3#
- 1...Kd1!
- 1...Kxf1
- 1.Sc2?
- 1...Kf1
- 2.Qxd3#
- 1...Kd1!
- 1...Kf1
- 1.Sg2?
- 1...Kf1
- 2.Qxd3#
- 1...Kd1!
- 1...Kf1
- 1.Sg4?
- 1...Kf1
- 2.Qxd3#
- 1...Kd1!
- 1...Kf1
- 1.Sf5?
- 1...Kf1
- 2.Qxd3#
- 1...Kd1!
- 1...Kf1
- 1.Qa2+?
- 1...Rd2
- 2.Qxd2#
- 1...Kxe3!
- 1...Rd2
- 1.Sd1?
- Keys
- 1.Qb5!
- 1...Kxe3
- 2.Qe8#
- 1...Kxe3
- 1.Qb5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(a);N_SPINR(b),OGATEB,P-FLIGHT,XS(A)::QAR(E)
- Tries
- Try
- S(A);P_SPINS(B)
- Vars
- K(a);S_FLIGHT::QAB(E),XR(b)
- Refutation
- K(a);N_SPINR(b),S_FLIGHT,XS(A)
- Try
- S(A);P_SPINS(B)
- Vars
- K(a);S_FLIGHT,XS(A)::QAB(E),XR(b)
- Refutation
- K(a);N_SPINR(b),S_FLIGHT
- Try
- S(A);P_SPINS(B)
- Vars
- K(a);S_FLIGHT::QAB(E),XR(b)
- Refutation
- K(a);N_SPINR(b),S_FLIGHT
- Try
- S(A);P_SPINS(B)
- Vars
- K(a);S_FLIGHT::QAB(E),XR(b)
- Refutation
- K(a);N_SPINR(b),S_FLIGHT
- Try
- S(A);P_SPINS(B)
- Vars
- K(a);S_FLIGHT::QAB(E),XR(b)
- Refutation
- K(a);N_SPINR(b),S_FLIGHT
- Try
- S(A);P_SPINS(B)
- Vars
- K(a);S_FLIGHT::QAB(E),XR(b)
- Refutation
- K(a);N_SPINR(b),S_FLIGHT
- Try
- Q(E);CHECK,N_PINR(b)
- Vars
- R(b);N_GUARD,P_SPINR(b)::QAR1(E),XR(b)
- Refutation
- K(a);P-FLIGHT,XS(A)
- Try
- Actual
- Q(E);
- Vars
- K(a);N_SPINR(b),OGATEB,P-FLIGHT,XS(A)::QAR(E)
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).