MESON Chess Problem Database
Problem Display
PID: 242661 (K4B2/3p1QN1/2p2Rp1/2PpP3/2pk1PNb/2pn1B2/2Pq4/3R4 w - - 0 1)
Gockel, Hubert
Pat a Mat, 2019
#2
12 + 10
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qxf4
- 2.Rxf4#
- 1...Sxf4
- 2.Rxf4#
- 1...g5
- 2.Sf5#
- 1...d6
- 2.Se6#
- 1...Qxf4
- Tries
- 1.Rxc6?
- threat
- 2.Qxd5#
- 1...Sxf4
- 2.Qxf4#
- 1...dxc6
- 2.Se6#
- 1...Sb4!
- threat
- 1.Rxg6?
- threat
- 2.Sf5#
- 1...Qxf4
- 2.Qxf4#
- 1...d6
- 2.Se6#
- 1...Be7!
- threat
- 1.Qxd7?
- threat
- 2.Se6#
- 1...Sxf4
- 2.Rxf4#
- 1...Sxc5!
- threat
- 1.Rxc6?
- Keys
- 1.Qxg6!
- threat
- 2.Sf5#
- 1...Qxf4
- 2.Rxf4#
- 1...d6
- 2.Se6#
- threat
- 1.Qxg6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 2
- Sets
- Q(a);OGATE,P_SPINS(c),XP(D)::R(H),XQ(a)
- S(c);OGATE,P_SPINQ(a),XP(D)::R(H),XS(c)
- P(i);N_GUARD::S(J)
- P(j);N_GUARD::S(J)
- Tries
- Try
- R(H);XP(h)
- Threat
- QAR1(I),XP(g)
- Vars
- S(c);OGATE,P_SPINQ(a),XP(D)::QAR2(I),XS(c)
- P(j);N_GUARD,XR(H)::S(J)
- Refutation
- S(c);P_SPINQ(a)
- Try
- R(H);XP(i)
- Threat
- S(J)
- Vars
- Q(a);OGATE,P_SPINS(c),XP(D)::QAR2(I),XQ(a)
- P(j);N_GUARD::S(J)
- Refutation
- B(f);
- Try
- Q(I);P_PINP(g),XP(j)
- Threat
- S(J)
- Vars
- S(c);OGATE,P_SPINQ(a),XP(D)::R(H),XS(c)
- Refutation
- S(c);P_SPINQ(a),XP(F)
- Try
- Actual
- Q(I);XP(i)
- Threat
- S(J)
- Vars
- Q(a);OGATE,P_SPINS(c),XP(D)::R(H),XQ(a)
- P(j);N_GUARD::S(J)
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).