MESON Chess Problem Database
Problem Display
PID: 159238 (8/4K3/8/R2bkP2/2Prn2p/2R4N/1BB1q2N/4Q3 w - - 0 1)
Apro, Laszlo
Wiener Schachzeitung, 1937
#2
10 + 6
| 15148 | Sadier Collection | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Sf2
- 2.Sf3#
- 1...Sxc3
- 2.Sf3#
- 1...Sg3
- 2.Sf3#
- 1...Sd6
- 2.Sf3#
- 1...Sf6
- 2.Sf3#
- 1...Sf2
- Tries
- 1.Rca3?
- threat
- 2.Rxd5#
- 1...Qxc4
- 2.Qxe4#
- 1...Sc3
- 2.Sf3#
- 1...Sc5
- 2.Sg4#
- 1...Sf6
- 2.Sf3#
- 1...Kxf5!
- threat
- 1.Rb3?
- threat
- 2.Rxd5#
- 1...Qxc4
- 2.Qxe4#
- 1...Sc3
- 2.Sf3#
- 1...Sc5
- 2.Sg4#
- 1...Sf6
- 2.Sf3#
- 1...Kxf5!
- threat
- 1.Rca3?
- Keys
- 1.Rg3!
- threat
- 2.Rxd5#
- 1...Kxf5
- 2.Rg5#
- 1...Qxc4
- 2.Qxe4#
- 1...Sc3
- 2.Sf3#
- 1...Sc5
- 2.Sg4#
- 1...Sf6
- 2.Sf3#
- threat
- 1.Rg3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- S(c);P_SPINQ(a)::S(D)
- S(c);P_SPINQ(a),XR(E)::S(D)
- Tries
- Try
- R(E);P_PINR(b)
- Threat
- R1(H),XB(e)
- Vars
- Q(a);OGATE,P_SPINS(c),XP(G)::QAR1(A),XS(c)
- S(c);N_SPINR(b),P_SPINQ(a)::S(D)
- S(c);N_SPINB(e),P_SPINQ(a)::S(D)
- S(c);P_SPINQ(a)::S(D)
- Refutation
- K(f);N_SPINR(b),P-FLIGHT,P_SPINS(c),XP(I)
- Try
- R(E);P_PINR(b)
- Threat
- R1(H),XB(e)
- Vars
- Q(a);OGATE,P_SPINS(c),XP(G)::QAR1(A),XS(c)
- S(c);N_SPINR(b),P_SPINQ(a)::S(D)
- S(c);N_SPINB(e),P_SPINQ(a)::S(D)
- S(c);P_SPINQ(a)::S(D)
- Refutation
- K(f);N_SPINR(b),P-FLIGHT,P_SPINS(c),XP(I)
- Try
- Actual
- R(E);P_PINR(b)
- Threat
- R1(H),XB(e)
- Vars
- K(f);N_SPINR(b),OGATEB,P-FLIGHT,P_SPINS(c),XP(I)::R1(E)
- Q(a);OGATE,P_SPINS(c),XP(G)::QAR1(A),XS(c)
- S(c);N_SPINR(b),P_SPINQ(a)::S(D)
- S(c);N_SPINB(e),P_SPINQ(a)::S(D)
- S(c);P_SPINQ(a)::S(D)
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).