MESON Chess Problem Database
Problem Display
PID: 231781 (2r5/2p4P/2PpNPB1/1P1kp3/2p5/8/5Q2/6K1 w - - 0 1)
von Wardener, Friedrich Freiherr
Deutsche Schachzeitung, 1900
#2
8 + 6
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Ra8
- 2.Sxc7#
- 1...Rb8
- 2.Sxc7#
- 1...Rd8
- 2.Sxc7#
- 1...Re8
- 2.Sxc7#
- 1...Rf8
- 2.Sxc7#
- 1...Rg8
- 2.Sxc7#
- 1...Rh8
- 2.Sxc7#
- 1...c3
- 2.Qa2#
- 1...e4
- 2.Qf5#
- 1...Ra8
- Tries
- 1.Kf1?
- 1...c3
- 2.Qa2#
- 1...e4
- 2.Qf5#
- 1...Ra8
- 2.Sxc7#
- 1...Rb8
- 2.Sxc7#
- 1...Rd8
- 2.Sxc7#
- 1...Re8
- 2.Sxc7#
- 1...Rf8
- 2.Sxc7#
- 1...Rg8
- 2.Sxc7#
- 1...Rh8
- 2.Sxc7#
- 1...Kxe6!
- 1...c3
- 1.Kh1?
- 1...c3
- 2.Qa2#
- 1...e4
- 2.Qf5#
- 1...Ra8
- 2.Sxc7#
- 1...Rb8
- 2.Sxc7#
- 1...Rd8
- 2.Sxc7#
- 1...Re8
- 2.Sxc7#
- 1...Rf8
- 2.Sxc7#
- 1...Rg8
- 2.Sxc7#
- 1...Rh8
- 2.Sxc7#
- 1...Kxe6!
- 1...c3
- 1.Kg2?
- 1...c3
- 2.Qa2#
- 1...e4
- 2.Qf5#
- 1...Ra8
- 2.Sxc7#
- 1...Rb8
- 2.Sxc7#
- 1...Rd8
- 2.Sxc7#
- 1...Re8
- 2.Sxc7#
- 1...Rf8
- 2.Sxc7#
- 1...Rg8
- 2.Sxc7#
- 1...Rh8
- 2.Sxc7#
- 1...Kxe6!
- 1...c3
- 1.Kh2?
- 1...c3
- 2.Qa2#
- 1...e4
- 2.Qf5#
- 1...Ra8
- 2.Sxc7#
- 1...Rb8
- 2.Sxc7#
- 1...Rd8
- 2.Sxc7#
- 1...Re8
- 2.Sxc7#
- 1...Rf8
- 2.Sxc7#
- 1...Rg8
- 2.Sxc7#
- 1...Rh8
- 2.Sxc7#
- 1...Kxe6!
- 1...c3
- 1.Sg5?
- threat
- 2.Be4#
- 2.Bf7#
- 1...c3
- 2.Bf7#
- 1...Re8
- 2.Be4#
- 1...Rf8
- 2.Be4#
- 1...e4!
- threat
- 1.Bf5?
- threat
- 2.Qd2#
- 1...c3
- 2.Qa2#
- 1...e4
- 2.Qd4#
- 1...Rg8+!
- threat
- 1.Qg2+?
- 1...e4
- 2.Qxe4#
- 1...Kxe6!
- 1...e4
- 1.Qf3+?
- 1...e4
- 2.Qxe4#
- 2.Qf5#
- 1...Kxe6!
- 1...e4
- 1.f7?
- 1...c3
- 2.Qa2#
- 1...e4
- 2.Qf5#
- 1...Ra8
- 2.Sxc7#
- 1...Rb8
- 2.Sxc7#
- 1...Rd8
- 2.Sxc7#
- 1...Re8
- 2.Sxc7#
- 1...Rf8
- 2.Sxc7#
- 1...Rg8
- 2.Sxc7#
- 1...Rh8
- 2.Sxc7#
- 1...Kxe6!
- 1...c3
- 1.h8Q?
- 1...Rxh8
- 2.Sxc7#
- 1...c3
- 2.Qa2#
- 1...e4
- 2.Qf5#
- 1...Ra8
- 2.Sxc7#
- 1...Rb8
- 2.Sxc7#
- 1...Rd8
- 2.Sxc7#
- 1...Re8
- 2.Sxc7#
- 1...Rf8
- 2.Sxc7#
- 1...Rg8
- 2.Sxc7#
- 1...Kxe6!
- 1...Rxh8
- 1.h8B?
- 1...Rxh8
- 2.Sxc7#
- 1...c3
- 2.Qa2#
- 1...e4
- 2.Qf5#
- 1...Ra8
- 2.Sxc7#
- 1...Rb8
- 2.Sxc7#
- 1...Rd8
- 2.Sxc7#
- 1...Re8
- 2.Sxc7#
- 1...Rf8
- 2.Sxc7#
- 1...Rg8
- 2.Sxc7#
- 1...Kxe6!
- 1...Rxh8
- 1.h8R?
- 1...Rxh8
- 2.Sxc7#
- 1...c3
- 2.Qa2#
- 1...e4
- 2.Qf5#
- 1...Ra8
- 2.Sxc7#
- 1...Rb8
- 2.Sxc7#
- 1...Rd8
- 2.Sxc7#
- 1...Re8
- 2.Sxc7#
- 1...Rf8
- 2.Sxc7#
- 1...Rg8
- 2.Sxc7#
- 1...Kxe6!
- 1...Rxh8
- 1.Kf1?
- Keys
- 1.h8S!
- 1...Kxe6
- 2.Bf7#
- 1...Rxh8
- 2.Sxc7#
- 1...c3
- 2.Qa2#
- 1...e4
- 2.Qf5#
- 1...Ra8
- 2.Sxc7#
- 1...Rb8
- 2.Sxc7#
- 1...Rd8
- 2.Sxc7#
- 1...Re8
- 2.Sxc7#
- 1...Rf8
- 2.Sxc7#
- 1...Rg8
- 2.Sxc7#
- 1...Kxe6
- 1.h8S!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(f);N_GUARD::S(E),XP(e)
- R(f);N_GUARD,P_PINB(G)::S(E),XP(e)
- P(a);OGATEB::QAB(B)
- P(c);OGATEB::QAR2(B)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- P(a);OGATEB::QAB(B)
- P(c);OGATEB::QAR2(B)
- R(f);N_GUARD::S(E),XP(e)
- Refutation
- K(b);S_FLIGHT,XS(E)
- Try
- K(A);P-FLIGHT
- Vars
- P(a);OGATEB::QAB(B)
- P(c);OGATEB::QAR2(B)
- R(f);N_GUARD::S(E),XP(e)
- R(f);N_GUARD,P_PINP(H)::S(E),XP(e)
- Refutation
- K(b);S_FLIGHT,XS(E)
- Try
- K(A);P-FLIGHT
- Vars
- P(a);OGATEB::QAB(B)
- P(c);OGATEB::QAR2(B)
- R(f);N_GUARD::S(E),XP(e)
- R(f);N_GUARD,P_PINB(G)::S(E),XP(e)
- Refutation
- K(b);S_FLIGHT,XS(E)
- Try
- K(A);S_FLIGHT
- Vars
- P(a);OGATEB::QAB(B)
- P(c);OGATEB::QAR2(B)
- R(f);N_GUARD::S(E),XP(e)
- R(f);N_GUARD,P_PINP(H)::S(E),XP(e)
- Refutation
- K(b);S_FLIGHT,XS(E)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- P(a);::B(G)
- R(f);::B(G)
- Refutation
- P(c);
- Try
- B(G);
- Threat
- QAR(B)
- Vars
- P(a);OGATEB::QAB(B)
- P(c);N_GUARD::QAR1(B)
- Refutation
- R(f);CHECK
- Try
- Q(B);CHECK
- Vars
- P(c);P_SPINP(c)::QAB1(B),XP(c)
- Refutation
- K(b);S_FLIGHT,XS(E)
- Try
- Q(B);CHECK
- Refutation
- K(b);S_FLIGHT,XS(E)
- Try
- P(F);
- Vars
- P(a);OGATEB::QAB(B)
- P(c);OGATEB::QAR2(B)
- R(f);N_GUARD::S(E),XP(e)
- R(f);N_GUARD,P_PINB(G)::S(E),XP(e)
- Refutation
- K(b);S_FLIGHT,XS(E)
- Try
- P(H);
- Vars
- R(f);N_GUARD,XQ(H)::S(E),XP(e)
- P(a);OGATEB::QAB(B)
- P(c);OGATEB::QAR2(B)
- R(f);N_GUARD::S(E),XP(e)
- R(f);N_GUARD,P_PINB(G)::S(E),XP(e)
- Refutation
- K(b);S_FLIGHT,XS(E)
- Try
- P(H);
- Vars
- R(f);N_GUARD,XB(H)::S(E),XP(e)
- P(a);OGATEB::QAB(B)
- P(c);OGATEB::QAR2(B)
- R(f);N_GUARD::S(E),XP(e)
- R(f);N_GUARD,P_PINB(G)::S(E),XP(e)
- Refutation
- K(b);S_FLIGHT,XS(E)
- Try
- P(H);
- Vars
- R(f);N_GUARD,XR(H)::S(E),XP(e)
- P(a);OGATEB::QAB(B)
- P(c);OGATEB::QAR2(B)
- R(f);N_GUARD::S(E),XP(e)
- R(f);N_GUARD,P_PINB(G)::S(E),XP(e)
- Refutation
- K(b);S_FLIGHT,XS(E)
- Try
- Actual
- P(H);
- Vars
- K(b);OGATEB,S_FLIGHT,XS(E)::B(G)
- R(f);N_GUARD,XS(H)::S(E),XP(e)
- P(a);OGATEB::QAB(B)
- P(c);OGATEB::QAR2(B)
- R(f);N_GUARD::S(E),XP(e)
- R(f);N_GUARD,P_PINB(G)::S(E),XP(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).