MESON Chess Problem Database
Problem Display
PID: 53281 (2R5/1pN5/1Pp3b1/p4p1p/P2kpP1P/B3n3/2nNK3/6Q1 w - - 0 1)
Hoffmann, Bruno
Schach-Express, 1950
#2
10 + 10
SOLUTION
- SOUND
- Sets
- 1...Kc3
- 2.Sb5#
- 1...Bf7
- 2.Qg7#
- 1...Bh7
- 2.Qg7#
- 1...Be8
- 2.Qg7#
- 1...Sa1
- 2.Qxe3#
- 2.Qxa1#
- 1...Se1
- 2.Qxe3#
- 1...Sxa3
- 2.Qxe3#
- 1...Sb4
- 2.Qxe3#
- 1...c5
- 2.Bb2#
- 1...Kc3
- Tries
- 1.Bb4?
- threat
- 2.Rd8#
- 1...Sxb4
- 2.Qxe3#
- 1...Bf7
- 2.Qg7#
- 1...Be8
- 2.Qg7#
- 1...axb4!
- threat
- 1.Bd6?
- 1...Bf7
- 2.Qg7#
- 1...Bh7
- 2.Qg7#
- 1...Be8
- 2.Qg7#
- 1...Sa1
- 2.Qxe3#
- 2.Qxa1#
- 1...Se1
- 2.Qxe3#
- 1...Sa3
- 2.Qxe3#
- 2.Qa1#
- 1...Sb4
- 2.Qxe3#
- 2.Qa1#
- 1...c5
- 2.Be5#
- 1...Kc3!
- 1...Bf7
- 1.Be7?
- 1...Bf7
- 2.Qg7#
- 1...Bh7
- 2.Qg7#
- 1...Be8
- 2.Qg7#
- 1...Sa1
- 2.Qxe3#
- 2.Qxa1#
- 1...Se1
- 2.Qxe3#
- 1...Sa3
- 2.Qxe3#
- 2.Qa1#
- 1...Sb4
- 2.Qxe3#
- 2.Qa1#
- 1...c5
- 2.Bf6#
- 1...Kc3!
- 1...Bf7
- 1.Bf8?
- 1...Bf7
- 2.Qg7#
- 1...Bh7
- 2.Qg7#
- 1...Be8
- 2.Qg7#
- 1...Sa1
- 2.Qxe3#
- 2.Qxa1#
- 1...Se1
- 2.Qxe3#
- 1...Sa3
- 2.Qxe3#
- 2.Qa1#
- 1...Sb4
- 2.Qxe3#
- 2.Qa1#
- 1...c5
- 2.Bg7#
- 1...Kc3!
- 1...Bf7
- 1.Ra8?
- 1...Sxa3
- 2.Qxe3#
- 1...Sb4
- 2.Qxe3#
- 1...Bf7
- 2.Qg7#
- 1...Bh7
- 2.Qg7#
- 1...Be8
- 2.Qg7#
- 1...Sa1
- 2.Qxe3#
- 2.Qxa1#
- 1...Se1
- 2.Qxe3#
- 1...c5
- 2.Bb2#
- 1...Kc3!
- 1...Sxa3
- 1.Rb8?
- 1...Sxa3
- 2.Qxe3#
- 1...Sb4
- 2.Qxe3#
- 1...Bf7
- 2.Qg7#
- 1...Bh7
- 2.Qg7#
- 1...Be8
- 2.Qg7#
- 1...Sa1
- 2.Qxe3#
- 2.Qxa1#
- 1...Se1
- 2.Qxe3#
- 1...c5
- 2.Bb2#
- 1...Kc3!
- 1...Sxa3
- 1.Re8?
- 1...Bxe8
- 2.Qg7#
- 1...Sxa3
- 2.Qxe3#
- 1...Sb4
- 2.Qxe3#
- 1...Bf7
- 2.Qg7#
- 1...Bh7
- 2.Qg7#
- 1...Sa1
- 2.Qxe3#
- 2.Qxa1#
- 1...Se1
- 2.Qxe3#
- 1...c5
- 2.Bb2#
- 1...Kc3!
- 1...Bxe8
- 1.Rf8?
- 1...Sxa3
- 2.Qxe3#
- 1...Sb4
- 2.Qxe3#
- 1...Bf7
- 2.Qg7#
- 1...Bh7
- 2.Qg7#
- 1...Be8
- 2.Qg7#
- 1...Sa1
- 2.Qxe3#
- 2.Qxa1#
- 1...Se1
- 2.Qxe3#
- 1...c5
- 2.Bb2#
- 1...Kc3!
- 1...Sxa3
- 1.Rg8?
- 1...Sxa3
- 2.Qxe3#
- 1...Sb4
- 2.Qxe3#
- 1...Bf7
- 2.Qg7#
- 1...Bh7
- 2.Qg7#
- 1...Be8
- 2.Qg7#
- 1...Sa1
- 2.Qxe3#
- 2.Qxa1#
- 1...Se1
- 2.Qxe3#
- 1...c5
- 2.Bb2#
- 1...Kc3!
- 1...Sxa3
- 1.Rh8?
- 1...Sxa3
- 2.Qxe3#
- 1...Sb4
- 2.Qxe3#
- 1...Bf7
- 2.Qg7#
- 1...Bh7
- 2.Qg7#
- 1...Be8
- 2.Qg7#
- 1...Sa1
- 2.Qxe3#
- 2.Qxa1#
- 1...Se1
- 2.Qxe3#
- 1...c5
- 2.Bb2#
- 1...Kc3!
- 1...Sxa3
- 1.Bb4?
- Keys
- 1.Qg3!
- 1...Kc3
- 2.Sb5#
- 1...Sxa3
- 2.Qxe3#
- 1...Sb4
- 2.Qxe3#
- 1...Bf7
- 2.Qg7#
- 1...Bh7
- 2.Qg7#
- 1...Be8
- 2.Qg7#
- 1...Sa1
- 2.Qxe3#
- 1...Se1
- 2.Qxe3#
- 1...Sd1
- 2.Rd8#
- 1...Sf1
- 2.Rd8#
- 1...Sg2
- 2.Rd8#
- 1...Sc4
- 2.Sb3#
- 1...Sg4
- 2.Rd8#
- 1...Sd5
- 2.Se6#
- 1...c5
- 2.Bb2#
- 1...Kc3
- 1.Qg3!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- K(c);N_SPINS(b),S_FLIGHT::S(I)
- B(i);OGATE::QAB(A)
- S(a);N_GUARD::QAB1(A),XS(b)
- S(a);N_GUARD,XB(D)::QAB1(A),XS(b)
- P(h);SBLOCK::B(D)
- Tries
- Try
- B(D);
- Threat
- R(J)
- Vars
- S(a);N_GUARD,XB(D)::QAB1(A),XS(b)
- B(i);OGATE::QAB(A)
- Refutation
- P(e);XB(D)
- Try
- B(D);
- Vars
- B(i);OGATE::QAB(A)
- S(a);N_GUARD::QAB1(A),XS(b)
- P(h);SBLOCK::B(D)
- Refutation
- K(c);N_SPINS(b),S_FLIGHT
- Try
- B(D);
- Vars
- B(i);OGATE::QAB(A)
- S(a);N_GUARD::QAB1(A),XS(b)
- P(h);SBLOCK::B(D)
- Refutation
- K(c);N_SPINS(b),S_FLIGHT
- Try
- B(D);
- Vars
- B(i);OGATE::QAB(A)
- S(a);N_GUARD::QAB1(A),XS(b)
- P(h);SBLOCK::B(D)
- Refutation
- K(c);N_SPINS(b),S_FLIGHT
- Try
- R(J);
- Vars
- S(a);N_GUARD,XB(D)::QAB1(A),XS(b)
- S(a);N_GUARD::QAB1(A),XS(b)
- B(i);OGATE::QAB(A)
- P(h);SBLOCK::B(D)
- Refutation
- K(c);N_SPINS(b),S_FLIGHT
- Try
- R(J);
- Vars
- S(a);N_GUARD,XB(D)::QAB1(A),XS(b)
- S(a);N_GUARD::QAB1(A),XS(b)
- B(i);OGATE::QAB(A)
- P(h);SBLOCK::B(D)
- Refutation
- K(c);N_SPINS(b),S_FLIGHT
- Try
- R(J);
- Vars
- B(i);OGATE,XR(J)::QAB(A)
- S(a);N_GUARD,XB(D)::QAB1(A),XS(b)
- S(a);N_GUARD::QAB1(A),XS(b)
- B(i);OGATE::QAB(A)
- P(h);SBLOCK::B(D)
- Refutation
- K(c);N_SPINS(b),S_FLIGHT
- Try
- R(J);
- Vars
- S(a);N_GUARD,XB(D)::QAB1(A),XS(b)
- S(a);N_GUARD::QAB1(A),XS(b)
- B(i);OGATE::QAB(A)
- P(h);SBLOCK::B(D)
- Refutation
- K(c);N_SPINS(b),S_FLIGHT
- Try
- R(J);
- Vars
- S(a);N_GUARD,XB(D)::QAB1(A),XS(b)
- S(a);N_GUARD::QAB1(A),XS(b)
- B(i);OGATE::QAB(A)
- P(h);SBLOCK::B(D)
- Refutation
- K(c);N_SPINS(b),S_FLIGHT
- Try
- R(J);
- Vars
- S(a);N_GUARD,XB(D)::QAB1(A),XS(b)
- S(a);N_GUARD::QAB1(A),XS(b)
- B(i);OGATE::QAB(A)
- P(h);SBLOCK::B(D)
- Refutation
- K(c);N_SPINS(b),S_FLIGHT
- Try
- Actual
- Q(A);N_PINS(b)
- Vars
- K(c);P_SPINS(b),S_FLIGHT::S(I)
- S(a);N_GUARD,XB(D)::QAB1(A),XS(b)
- S(a);N_GUARD::QAB1(A),XS(b)
- B(i);OGATE::QAB(A)
- S(b);N_GUARD::R(J)
- S(b);SBLOCK::S(B)
- S(b);SBLOCK::S(I)
- P(h);SBLOCK::B(D)
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).