MESON Chess Problem Database
Problem Display
PID: 246324 (8/3N2pb/4p3/1PPkP2R/Q3p1P1/Nr2nP1K/B3P3/br4B1 w - - 0 1)
Buchwald, Julius
Sjakk-Nytt, 1948
#2
13 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bd4
- 2.Qa8#
- 1...Bxe5
- 2.Rxe5#
- 1...Bg8
- 2.Qxe4#
- 2.fxe4#
- 1...Sd1
- 2.Sb6#
- 2.Qc4#
- 2.Qa8#
- 1...Sf1
- 2.Sb6#
- 2.Qc4#
- 2.Qa8#
- 1...Sc2
- 2.Sb6#
- 2.Qc4#
- 2.Qa8#
- 1...Sg2
- 2.Sb6#
- 2.Qc4#
- 2.Qa8#
- 1...Sc4
- 2.Qxc4#
- 2.Qa8#
- 1...Sxg4
- 2.Sb6#
- 2.Qc4#
- 2.Qa8#
- 1...Sf5
- 2.Qc4#
- 2.Qxe4#
- 2.Qa8#
- 1...g6
- 2.Qxe4#
- 2.fxe4#
- 1...Bd4
- Tries
- 1.Bxe3?
- threat
- 2.Sb6#
- 2.Qc4#
- 2.Qa8#
- 1...Rc1
- 2.Sb6#
- 2.Qa8#
- 1...Bd4
- 2.Qc4#
- 2.Qxd4#
- 2.Qa8#
- 1...Bf5
- 2.Qc4#
- 2.Qa8#
- 1...g5
- 2.Qc4#
- 2.Qa8#
- 1...Rh1+!
- threat
- 1.Bxb3+?
- 1...Sc4
- 2.Sb6#
- 2.Bxc4#
- 2.Qxc4#
- 2.Qa8#
- 1...Rxb3!
- 1...Sc4
- 1.Rxh7?
- threat
- 2.Qxe4#
- 2.fxe4#
- 1...Sxg4
- 2.Qc4#
- 2.Qxe4#
- 2.Qa8#
- 1...Bd4
- 2.Qa8#
- 1...Sd1
- 2.Qc4#
- 2.Qxe4#
- 2.Qa8#
- 1...Sf1
- 2.Qc4#
- 2.Qxe4#
- 2.Qa8#
- 1...Sc2
- 2.Qc4#
- 2.Qxe4#
- 2.Qa8#
- 1...Sg2
- 2.Qc4#
- 2.Qxe4#
- 2.Qa8#
- 1...Sc4
- 2.Qxc4#
- 2.Qa8#
- 1...Sf5
- 2.Qc4#
- 2.Qxe4#
- 2.Qa8#
- 1...exf3!
- threat
- 1.Qxb3+?
- 1...Kd4
- 2.Sc2#
- 2.Bxe3#
- 2.Qc4#
- 2.Qxe3#
- 1...Sc4
- 2.Sb6#
- 2.Qxc4#
- 1...Rxb3!
- 1...Kd4
- 1.Bxe3?
- Keys
- 1.Sc2!
- threat
- 2.Sxe3#
- 1...Sxc2
- 2.Sb6#
- 1...Sxg4
- 2.Sb6#
- 1...Bd4
- 2.Qxd4#
- 1...Sd1
- 2.Sb6#
- 1...Sf1
- 2.Sb6#
- 1...Sg2
- 2.Sb6#
- 1...Sc4
- 2.Qa8#
- 1...Sf5
- 2.Qxe4#
- threat
- 1.Sc2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 7
- REMOVED MATES = 1
- Sets
- B(a);SBLOCK::QAB(G)
- B(a);OGATE,P_SPINB(a),XP(K)::R1(L),XB(a)
- Tries
- Try
- B(A);XS(d)
- Threat
- DUALS(3)
- Refutation
- R(b);CHECK
- Try
- B(B);CHECK,XR(c)
- Refutation
- R(b);XB(B)
- Try
- R(L);XB(i)
- Threat
- DUALS(2)
- Vars
- B(a);SBLOCK::QAB(G)
- Refutation
- P(e);XP(E)
- Try
- Q(G);CHECK,XR(c)
- Refutation
- R(b);P_SPINR(b),XQ(G)
- Try
- Actual
- S(D);
- Threat
- S(D),XS(d)
- Vars
- S(d);P_PINP(E),XS(D)::S(M)
- S(d);P_PINP(E),XP(H)::S(M)
- B(a);N_GUARD::QAR1(G),XB(a)
- S(d);P_PINP(E)::S(M)
- S(d);N_SPINR(c),P_PINP(E),SBLOCK::QAB(G)
- S(d);P_PINP(E),S_CUTB(i)::QAB1(G),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).