MESON Chess Problem Database
Problem Display
PID: 256537 (6Q1/1R1pB3/2pPp3/2pk4/4p3/4P3/3PK2R/8 w - - 0 1)
Schumer, Jacob
Wiener Schachzeitung, 1901
(First published on Thu Apr 4 1901)
#2
8 + 6
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Ke5
- 2.Rh5#
- 2.Qg5#
- 1...c4
- 2.Rh5#
- 1...Ke5
- Tries
- 1.Kd1?
- 1...Ke5
- 2.Rh5#
- 2.Qg5#
- 1...c4
- 2.Rh5#
- 1...Kc4!
- 1...Ke5
- 1.Ke1?
- 1...Ke5
- 2.Rh5#
- 2.Qg5#
- 1...c4
- 2.Rh5#
- 1...Kc4!
- 1...Ke5
- 1.Kf1?
- 1...Ke5
- 2.Rh5#
- 2.Qg5#
- 1...c4
- 2.Rh5#
- 1...Kc4!
- 1...Ke5
- 1.Kf2?
- 1...Ke5
- 2.Rh5#
- 2.Qg5#
- 1...c4
- 2.Rh5#
- 1...Kc4!
- 1...Ke5
- 1.Bf8?
- 1...Ke5
- 2.Qg5#
- 1...c4
- 2.Rh5#
- 1...Kc4!
- 1...Ke5
- 1.Rh1?
- 1...Ke5
- 2.Rh5#
- 2.Qg5#
- 1...c4
- 2.Rh5#
- 1...Kc4!
- 1...Ke5
- 1.Rf2?
- 1...Ke5
- 2.Qg5#
- 1...c4
- 2.Rf5#
- 1...Kc4!
- 1...Ke5
- 1.Rg2?
- 1...Ke5
- 2.Rg5#
- 2.Qg5#
- 1...c4
- 2.Rg5#
- 1...Kc4!
- 1...Ke5
- 1.Rh3?
- 1...Ke5
- 2.Rh5#
- 2.Qg5#
- 1...c4
- 2.Rh5#
- 1...Kc4!
- 1...Ke5
- 1.Rh4?
- 1...Ke5
- 2.Rh5#
- 2.Qg5#
- 1...c4
- 2.Rh5#
- 1...Kc4!
- 1...Ke5
- 1.Rh6?
- 1...Ke5
- 2.Rh5#
- 2.Qg5#
- 1...c4
- 2.Rh5#
- 1...Kc4!
- 1...Ke5
- 1.Rh7?
- 1...Ke5
- 2.Rh5#
- 2.Qg5#
- 1...c4
- 2.Rh5#
- 1...Kc4!
- 1...Ke5
- 1.Rh8?
- 1...Ke5
- 2.Rh5#
- 2.Qg5#
- 1...c4
- 2.Rh5#
- 1...Kc4!
- 1...Ke5
- 1.Rb1?
- 1...Ke5
- 2.Rh5#
- 2.Qg5#
- 1...c4
- 2.Rh5#
- 1...Kc4!
- 1...Ke5
- 1.Rb2?
- 1...Ke5
- 2.Rh5#
- 2.Qg5#
- 1...c4
- 2.Rh5#
- 1...Kc4!
- 1...Ke5
- 1.Rb3?
- 1...Ke5
- 2.Rh5#
- 2.Qg5#
- 1...c4
- 2.Rh5#
- 1...Kc4!
- 1...Ke5
- 1.Rb4?
- threat
- 2.Rh5#
- 1...Ke5
- 2.Rh5#
- 2.Qg5#
- 1...cxb4!
- threat
- 1.Rb6?
- 1...Ke5
- 2.Rh5#
- 2.Qg5#
- 1...c4
- 2.Rh5#
- 1...Kc4!
- 1...Ke5
- 1.Ra7?
- 1...Ke5
- 2.Rh5#
- 2.Qg5#
- 1...c4
- 2.Rh5#
- 1...Kc4!
- 1...Ke5
- 1.Rc7?
- 1...Ke5
- 2.Rh5#
- 2.Qg5#
- 1...c4
- 2.Rh5#
- 1...Kc4!
- 1...Ke5
- 1.Rxd7?
- 1...Ke5
- 2.Rh5#
- 2.Qg5#
- 1...c4
- 2.Rh5#
- 1...Kc4!
- 1...Ke5
- 1.Rb8?
- 1...Ke5
- 2.Rh5#
- 2.Qg5#
- 1...c4
- 2.Rh5#
- 1...Kc4!
- 1...Ke5
- 1.Qf7?
- 1...Ke5
- 2.Rh5#
- 2.Qh5#
- 1...c4
- 2.Rh5#
- 1...Kc4!
- 1...Ke5
- 1.Qh7?
- 1...Kc4
- 2.Qxe4#
- 1...Ke5
- 2.Rh5#
- 2.Qh5#
- 1...e5
- 2.Qg8#
- 2.Qf7#
- 1...c4!
- 1...Kc4
- 1.Qg2?
- 1...Kc4
- 2.Qxe4#
- 1...Ke5
- 2.Rh5#
- 2.Qg5#
- 1...e5
- 2.Qg8#
- 1...c4!
- 1...Kc4
- 1.Qg4?
- 1...Kc4
- 2.Qxe4#
- 1...Ke5
- 2.Rh5#
- 2.Qh5#
- 2.Qg5#
- 1...e5
- 2.Qg8#
- 1...c4!
- 1...Kc4
- 1.Qg5+?
- 1...e5
- 2.Qg8#
- 1...Kc4!
- 1...e5
- 1.Qg6?
- 1...Kc4
- 2.Qxe4#
- 1...Ke5
- 2.Rh5#
- 2.Qh5#
- 2.Qg5#
- 1...e5
- 2.Qf7#
- 2.Qg8#
- 1...c4!
- 1...Kc4
- 1.Qg7?
- 1...e5
- 2.Qf7#
- 2.Qg8#
- 1...c4
- 2.Qd4#
- 1...Kc4!
- 1...e5
- 1.Qh8?
- 1...e5
- 2.Qg8#
- 1...c4
- 2.Qd4#
- 1...Kc4!
- 1...e5
- 1.d3?
- threat
- 2.Rh5#
- 1...Ke5
- 2.Rh5#
- 2.Qg5#
- 1...exd3+!
- threat
- 1.Kd1?
- Keys
- 1.Qa8!
- 1...Kc4
- 2.Qa2#
- 1...Ke5
- 2.Rh5#
- 1...c4
- 2.Rb5#
- 1...e5
- 2.Qg8#
- 1...Kc4
- 1.Qa8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- P(b);SBLOCK::R(C)
- Tries
- Try
- K(B);S_FLIGHT
- Vars
- P(b);SBLOCK::R(C)
- Refutation
- K(c);S_FLIGHT
- Try
- K(B);P-FLIGHT
- Vars
- P(b);SBLOCK::R(C)
- Refutation
- K(c);S_FLIGHT
- Try
- K(B);S_FLIGHT
- Vars
- P(b);SBLOCK::R(C)
- Refutation
- K(c);S_FLIGHT
- Try
- K(B);P-FLIGHT
- Vars
- P(b);SBLOCK::R(C)
- Refutation
- K(c);S_FLIGHT
- Try
- B(G);
- Vars
- K(c);N_GUARD,N_SPINP(e),P-FLIGHT,S_CUTP(e)::QAR2(H)
- P(b);SBLOCK::R(C)
- Refutation
- K(c);S_FLIGHT
- Try
- R(C);
- Vars
- P(b);SBLOCK::R(C)
- Refutation
- K(c);S_FLIGHT
- Try
- R(C);
- Vars
- K(c);N_GUARD,N_SPINP(e),P-FLIGHT,S_CUTP(e)::QAR2(H)
- P(b);SBLOCK::R(C)
- Refutation
- K(c);S_FLIGHT
- Try
- R(C);
- Vars
- P(b);SBLOCK::R(C)
- Refutation
- K(c);S_FLIGHT
- Try
- R(C);
- Vars
- P(b);SBLOCK::R(C)
- Refutation
- K(c);S_FLIGHT
- Try
- R(C);
- Vars
- P(b);SBLOCK::R(C)
- Refutation
- K(c);N_SPINP(e),P_SPINP(a),S_FLIGHT
- Try
- R(C);
- Vars
- P(b);SBLOCK::R(C)
- Refutation
- K(c);S_FLIGHT
- Try
- R(C);
- Vars
- P(b);SBLOCK::R(C)
- Refutation
- K(c);S_FLIGHT
- Try
- R(C);
- Vars
- P(b);SBLOCK::R(C)
- Refutation
- K(c);S_FLIGHT
- Try
- R(F);
- Vars
- P(b);SBLOCK::R(C)
- Refutation
- K(c);S_FLIGHT
- Try
- R(F);
- Vars
- P(b);SBLOCK::R(C)
- Refutation
- K(c);S_FLIGHT
- Try
- R(F);
- Vars
- P(b);SBLOCK::R(C)
- Refutation
- K(c);S_FLIGHT
- Try
- R(F);
- Threat
- R(C)
- Refutation
- P(b);XR(F)
- Try
- R(F);
- Vars
- P(b);SBLOCK::R(C)
- Refutation
- K(c);S_FLIGHT
- Try
- R(F);
- Vars
- P(b);SBLOCK::R(C)
- Refutation
- K(c);S_FLIGHT
- Try
- R(F);
- Vars
- P(b);SBLOCK::R(C)
- Refutation
- K(c);S_FLIGHT
- Try
- R(F);XP(f)
- Vars
- P(b);SBLOCK::R(C)
- Refutation
- K(c);S_FLIGHT
- Try
- R(F);
- Vars
- P(b);SBLOCK::R(C)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(H);
- Vars
- P(b);SBLOCK::R(C)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(H);N_PINP(e)
- Vars
- K(c);N_GUARD,S_FLIGHT::QAR2(H),XP(a)
- Refutation
- P(b);
- Try
- Q(H);N_PINP(e),P_PINP(a)
- Vars
- K(c);N_GUARD,N_SPINP(a),S_FLIGHT::QAR2(H),XP(a)
- P(e);OGATEB,SBLOCK::QAB(H)
- Refutation
- P(b);
- Try
- Q(H);N_PINP(e)
- Vars
- K(c);N_GUARD,P_SPINP(a),S_FLIGHT::QAR2(H),XP(a)
- P(e);OGATEB,SBLOCK::QAB(H)
- Refutation
- P(b);
- Try
- Q(H);CHECK,N_PINP(e)
- Vars
- P(e);OGATEB,P_SPINP(e),SBLOCK::QAB(H)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(H);N_PINP(e)
- Vars
- K(c);N_GUARD,S_FLIGHT::QAR2(H),XP(a)
- Refutation
- P(b);
- Try
- Q(H);N_PINP(e)
- Vars
- P(b);N_GUARD::QAR1(H)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(H);N_PINP(e)
- Vars
- P(e);OGATEB,SBLOCK::QAB(H)
- P(b);N_GUARD::QAR1(H)
- Refutation
- K(c);S_FLIGHT
- Try
- P(A);
- Threat
- R(C)
- Refutation
- P(a);CHECK,XP(A)
- Try
- Actual
- Q(H);N_PINP(e)
- Vars
- K(c);N_GUARD,S_CUTP(b),S_FLIGHT::QAB(H)
- K(c);N_GUARD,P-FLIGHT,S_CUTP(e)::R(C)
- P(b);OGATEB,SBLOCK::R(F)
- P(e);OGATEB,SBLOCK::QAB(H)
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).