MESON Chess Problem Database
Problem Display
PID: 168157 (r2R4/1qp5/1N2P3/2NPb1Q1/3k1r2/n1R5/1B3p1p/5B1K w - - 0 1)
Zepler, Erich Ernest
3rd Prize, Teplitz-Schonauer Anzeiger, 1921-1922
#2
10 + 9
| 14868 | Pirnie Collection | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qxd5+
- 2.Rxd5#
- 1...Rf3
- 2.Rc4#
- 1...Re4
- 2.Sb3#
- 2.Rc1#
- 2.Rc2#
- 2.Rc4#
- 2.Qd2#
- 1...Rg4
- 2.Rc1#
- 2.Rc2#
- 2.Rc4#
- 2.Qd2#
- 2.Qe3#
- 1...Rh4
- 2.Rc1#
- 2.Rc2#
- 2.Rc4#
- 2.Qd2#
- 2.Qe3#
- 1...Rf5
- 2.Rc1#
- 2.Rc2#
- 2.Rc4#
- 2.Qd2#
- 2.Qe3#
- 1...Rf6
- 2.Rc1#
- 2.Rc2#
- 2.Rc4#
- 2.Qd2#
- 2.Qe3#
- 1...Rf7
- 2.Rc1#
- 2.Rc2#
- 2.Rc4#
- 2.Qd2#
- 2.Qe3#
- 1...Rf8
- 2.Rc1#
- 2.Rc2#
- 2.Rc4#
- 2.Qd2#
- 2.Qe3#
- 1...Bf6
- 2.Qxf4#
- 1...Bg7
- 2.Qxf4#
- 1...Bh8
- 2.Qxf4#
- 1...Qxd5+
- Tries
- 1.Qe7?
- threat
- 2.Rxa3#
- 2.Rb3#
- 2.Rd3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 1...Qxd5+
- 2.Rf3#
- 2.Rxd5#
- 1...Qxb6
- 2.Rb3#
- 1...cxb6
- 2.Rxa3#
- 2.Rb3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 1...Rf3
- 2.Rd3#
- 2.Rxf3#
- 1...Sb1
- 2.Rd3#
- 1...Sc2
- 2.Ra3#
- 2.Rb3#
- 2.Rd3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 1...Sc4
- 2.Rd3#
- 1...Sb5
- 2.Rd3#
- 1...Bd6!
- threat
- 1.Qg3?
- threat
- 2.Rc1#
- 2.Rc2#
- 2.Rc4#
- 2.Qd3#
- 2.Qe3#
- 1...Qxd5+
- 2.Rxd5#
- 1...Qxb6
- 2.Rc4#
- 2.Qd3#
- 2.Qe3#
- 1...Bd6
- 2.Rc1#
- 2.Rc2#
- 2.Rc4#
- 2.Qe3#
- 1...Bf6
- 2.Rc1#
- 2.Rc2#
- 2.Rc4#
- 2.Qxf4#
- 2.Qe3#
- 1...Bg7
- 2.Rc1#
- 2.Rc2#
- 2.Rc4#
- 2.Qxf4#
- 2.Qe3#
- 1...Bh8
- 2.Rc1#
- 2.Rc2#
- 2.Rc4#
- 2.Qxf4#
- 2.Qe3#
- 1...Sc4
- 2.Rxc4#
- 1...Qa6
- 2.Rc1#
- 2.Rc2#
- 2.Rc4#
- 2.Qe3#
- 1...Re4
- 2.Sb3#
- 2.Rc1#
- 2.Rc2#
- 2.Rc4#
- 2.Qd3#
- 1...Sb1
- 2.Rc4#
- 2.Qd3#
- 2.Qe3#
- 1...Sc2
- 2.Rxc2#
- 2.Rc4#
- 2.Qd3#
- 1...Sb5
- 2.Rc4#
- 2.Qd3#
- 2.Qe3#
- 1...Rf3!
- threat
- 1.Qf5?
- threat
- 2.Sb3#
- 2.Qd3#
- 1...Qxd5+
- 2.Rxd5#
- 1...Qxb6
- 2.Qd3#
- 1...Sc4
- 2.Sb3#
- 1...Qa6
- 2.Sb3#
- 1...Rf3
- 2.Sb3#
- 2.Qe4#
- 1...Re4
- 2.Sb3#
- 2.Qxe4#
- 1...Bd6
- 2.Sb3#
- 1...Bf6
- 2.Sb3#
- 2.Qxf4#
- 1...Bg7
- 2.Sb3#
- 2.Qxf4#
- 1...Bh8
- 2.Sb3#
- 2.Qxf4#
- 1...Rxf5!
- threat
- 1.Qe7?
- Keys
- 1.Sbd7!
- threat
- 2.Qxe5#
- 1...Qxd5+
- 2.Rf3#
- 1...Kxd5
- 2.Sb8#
- 1...Re4
- 2.Qd2#
- 1...Rf5
- 2.Qd2#
- 1...Bd6
- 2.Rb3#
- 1...Bf6
- 2.Rb3#
- 1...Bg7
- 2.Rb3#
- 1...Bh8
- 2.Rb3#
- 1...Sc4
- 2.Rd3#
- threat
- 1.Sbd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 4
- ADDED MATES = 5
- REMOVED MATES = 1
- Sets
- Q(g);CHECK,OGATE,P_SPINQ(g),XP(F)::R1(J),XQ(g)
- R(e);N_PINP(F)::B(C)+R(D),DCHECK
- B(f);N_GUARD::QAR2(G),XR(e)
- Tries
- Try
- Q(G);
- Threat
- DUALS(6)
- Vars
- Q(g);N_PINP(F),XS(H)::B(C)+R(D)
- S(c);::B(C)+R(D),DCHECK
- Refutation
- B(f);
- Try
- Q(G);
- Threat
- DUALS(5)
- Vars
- Q(g);CHECK,OGATE,P_SPINQ(g),XP(F)::R1(J),XQ(g)
- S(c);::B(C)+R(D),DCHECK,XS(c)
- Refutation
- R(e);N_PINP(F)
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- Q(g);CHECK,OGATE,P_SPINQ(g),XP(F)::R1(J),XQ(g)
- Q(g);N_PINP(F),XS(H)::QAR1(G)
- S(c);::S(E)
- Q(g);N_PINP(F)::S(E)
- B(f);::S(E)
- Refutation
- R(e);XQ(G)
- Try
- Actual
- S(H);
- Threat
- QAB1(G),XB(f)
- Vars
- Q(g);CHECK,N_GUARD,SBLOCK,XP(F)::B(C)+R(D)
- K(d);P-FLIGHT,P_SPINB(f),XP(F)::R(J)+S(H)
- R(e);N_PINP(F),OGATE::QAR2(G)
- R(e);OGATE::QAR2(G)
- B(f);::B(C)+R(D)
- S(c);SBLOCK::B(C)+R(D),DCHECK
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).