MESON Chess Problem Database
Problem Display
PID: 263761 (8/1p4p1/pP4p1/K5B1/RPQ5/1PN5/PkP2n2/n1R5 w - - 0 1)
Hochberger, Alfred
Tijdschrift vd NSB, 1934
#2
11 + 7
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Sxc2
- 2.Rb1#
- 1...Sxb3+
- 2.Qxb3#
- 1...Sd1
- 2.Sxd1#
- 1...Sh1
- 2.Sd1#
- 1...Sd3
- 2.Sd1#
- 1...Sh3
- 2.Sd1#
- 1...Se4
- 2.Sd1#
- 1...Sg4
- 2.Sd1#
- 1...Sxc2
- Tries
- 1.Bd2?
- 1...Sxb3+
- 2.Qxb3#
- 1...Sxc2
- 2.Rb1#
- 1...Sd1
- 2.Sxd1#
- 1...Sh1
- 2.Sd1#
- 1...Sd3
- 2.Sd1#
- 1...Sh3
- 2.Sd1#
- 1...Se4
- 2.Sd1#
- 1...Sg4
- 2.Sd1#
- 1...g5!
- 1...Sxb3+
- 1.Be3?
- 1...Sxb3+
- 2.Qxb3#
- 1...Sxc2
- 2.Rb1#
- 1...Sd1
- 2.Sxd1#
- 1...Sh1
- 2.Sd1#
- 1...Sd3
- 2.Sd1#
- 1...Sh3
- 2.Sd1#
- 1...Se4
- 2.Sd1#
- 1...Sg4
- 2.Sd1#
- 1...g5!
- 1...Sxb3+
- 1.Bf4?
- 1...Sxb3+
- 2.Qxb3#
- 1...Sxc2
- 2.Rb1#
- 1...Sd1
- 2.Sxd1#
- 1...Sh1
- 2.Sd1#
- 1...Sd3
- 2.Sd1#
- 1...Sh3
- 2.Sd1#
- 1...Se4
- 2.Sd1#
- 1...Sg4
- 2.Sd1#
- 1...g5!
- 1...Sxb3+
- 1.Qd3?
- threat
- 2.Rb1#
- 1...Sxd3
- 2.Sd1#
- 1...Sxb3+!
- threat
- 1.Qd5?
- 1...Sxb3+
- 2.Qxb3#
- 1...Kxc3
- 2.Qe5#
- 1...Sd1
- 2.Sxd1#
- 1...Sh1
- 2.Sd1#
- 1...Sd3
- 2.Sd1#
- 1...Sh3
- 2.Sd1#
- 1...Se4
- 2.Sd1#
- 1...Sg4
- 2.Sd1#
- 1...Sxc2!
- 1...Sxb3+
- 1.Qe6?
- 1...Sxb3+
- 2.Qxb3#
- 1...Kxc3
- 2.Qe5#
- 1...Sd1
- 2.Sxd1#
- 1...Sh1
- 2.Sd1#
- 1...Sd3
- 2.Sd1#
- 1...Sh3
- 2.Sd1#
- 1...Se4
- 2.Sd1#
- 1...Sg4
- 2.Sd1#
- 1...Sxc2!
- 1...Sxb3+
- 1.Qf7?
- 1...Sxb3+
- 2.Qxb3#
- 1...Kxc3
- 2.Qxg7#
- 1...Sd1
- 2.Sxd1#
- 1...Sh1
- 2.Sd1#
- 1...Sd3
- 2.Sd1#
- 1...Sh3
- 2.Sd1#
- 1...Se4
- 2.Sd1#
- 1...Sg4
- 2.Sd1#
- 1...Sxc2!
- 1...Sxb3+
- 1.Qg8?
- 1...Sxb3+
- 2.Qxb3#
- 1...Kxc3
- 2.Qxg7#
- 1...Sd1
- 2.Sxd1#
- 1...Sh1
- 2.Sd1#
- 1...Sd3
- 2.Sd1#
- 1...Sh3
- 2.Sd1#
- 1...Se4
- 2.Sd1#
- 1...Sg4
- 2.Sd1#
- 1...Sxc2!
- 1...Sxb3+
- 1.Qd4?
- threat
- 2.Sb1#
- 2.Sd1#
- 2.Se2#
- 2.Se4#
- 2.Sb5#
- 2.Sd5#
- 1...Sxc2
- 2.Sd1#
- 2.Rb1#
- 1...Sd1
- 2.Sxd1#
- 1...Se4
- 2.Sd1#
- 2.Sxe4#
- 1...Sxb3+!
- threat
- 1.Qe4?
- 1...Kxc3
- 2.Qe5#
- 1...Sxc2
- 2.Qxc2#
- 1...Sxe4
- 2.Sd1#
- 1...Sd1
- 2.Sxd1#
- 1...Sh1
- 2.Sd1#
- 1...Sd3
- 2.Sd1#
- 1...Sh3
- 2.Sd1#
- 1...Sg4
- 2.Sd1#
- 1...Sxb3+!
- 1...Kxc3
- 1.Qc5?
- 1...Sxc2
- 2.Rb1#
- 1...Sd1
- 2.Sxd1#
- 1...Sh1
- 2.Sd1#
- 1...Sd3
- 2.Sd1#
- 1...Sh3
- 2.Sd1#
- 1...Se4
- 2.Sd1#
- 1...Sg4
- 2.Sd1#
- 1...Sxb3+!
- 1...Sxc2
- 1.Qc7?
- 1...Sxc2
- 2.Rb1#
- 1...Sd1
- 2.Sxd1#
- 1...Sh1
- 2.Sd1#
- 1...Sd3
- 2.Sd1#
- 1...Sh3
- 2.Sd1#
- 1...Se4
- 2.Sd1#
- 1...Sg4
- 2.Sd1#
- 1...Sxb3+!
- 1...Sxc2
- 1.Qc8?
- 1...Sxc2
- 2.Rb1#
- 1...Sd1
- 2.Sxd1#
- 1...Sh1
- 2.Sd1#
- 1...Sd3
- 2.Sd1#
- 1...Sh3
- 2.Sd1#
- 1...Se4
- 2.Sd1#
- 1...Sg4
- 2.Sd1#
- 1...Sxb3+!
- 1...Sxc2
- 1.b5?
- 1...Sxb3+
- 2.Qxb3#
- 1...Sxc2
- 2.Rb1#
- 1...Sd1
- 2.Sxd1#
- 1...Sh1
- 2.Sd1#
- 1...Sd3
- 2.Sd1#
- 1...Sh3
- 2.Sd1#
- 1...Se4
- 2.Sd1#
- 1...Sg4
- 2.Sd1#
- 1...axb5!
- 1...Sxb3+
- 1.Bd2?
- Keys
- 1.Qe2!
- 1...Sxb3+
- 2.cxb3#
- 1...Kxc3
- 2.Qe5#
- 1...Sxc2
- 2.Qxc2#
- 1...Sd1
- 2.Sxd1#
- 1...Sh1
- 2.Sd1#
- 1...Sd3
- 2.Sd1#
- 1...Sh3
- 2.Sd1#
- 1...Se4
- 2.Sd1#
- 1...Sg4
- 2.Sd1#
- 1...Sxb3+
- 1.Qe2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(a);SBLOCK,XP(C)::R1(A)
- S(a);CHECK,OGATE,XP(D)::QAR1(H),XS(a)
- S(c);N_GUARD::S(E),XS(c)
- S(c);N_GUARD::S(E)
- Tries
- Try
- B(J);
- Vars
- S(a);CHECK,OGATE,XP(D)::QAR1(H),XS(a)
- S(a);SBLOCK,XP(C)::R1(A)
- S(c);N_GUARD::S(E),XS(c)
- S(c);N_GUARD::S(E)
- Refutation
- P(e);
- Try
- B(J);
- Vars
- S(a);CHECK,OGATE,XP(D)::QAR1(H),XS(a)
- S(a);SBLOCK,XP(C)::R1(A)
- S(c);N_GUARD::S(E),XS(c)
- S(c);N_GUARD::S(E)
- Refutation
- P(e);
- Try
- B(J);
- Vars
- S(a);CHECK,OGATE,XP(D)::QAR1(H),XS(a)
- S(a);SBLOCK,XP(C)::R1(A)
- S(c);N_GUARD::S(E),XS(c)
- S(c);N_GUARD::S(E)
- Refutation
- P(e);
- Try
- Q(H);
- Threat
- R1(A)
- Vars
- S(c);N_GUARD,XQ(H)::S(E)
- Refutation
- S(a);CHECK,XP(D)
- Try
- Q(H);
- Vars
- S(a);CHECK,OGATE,XP(D)::QAR1(H),XS(a)
- K(b);OGATEB,S_FLIGHT,XS(E)::QAB(H)
- S(c);N_GUARD::S(E),XS(c)
- S(c);N_GUARD::S(E)
- Refutation
- S(a);XP(C)
- Try
- Q(H);
- Vars
- S(a);CHECK,OGATE,XP(D)::QAR1(H),XS(a)
- K(b);OGATEB,S_FLIGHT,XS(E)::QAB(H)
- S(c);N_GUARD::S(E),XS(c)
- S(c);N_GUARD::S(E)
- Refutation
- S(a);XP(C)
- Try
- Q(H);
- Vars
- S(a);CHECK,OGATE,XP(D)::QAR1(H),XS(a)
- K(b);OGATEB,S_FLIGHT,XS(E)::QAB(H),XP(g)
- S(c);N_GUARD::S(E),XS(c)
- S(c);N_GUARD::S(E)
- Refutation
- S(a);XP(C)
- Try
- Q(H);
- Vars
- S(a);CHECK,OGATE,XP(D)::QAR1(H),XS(a)
- K(b);OGATEB,S_FLIGHT,XS(E)::QAB(H),XP(g)
- S(c);N_GUARD::S(E),XS(c)
- S(c);N_GUARD::S(E)
- Refutation
- S(a);XP(C)
- Try
- Q(H);
- Threat
- DUALS(6)
- Vars
- S(c);::QAB(H)+S(E),DCHECK,XS(c)
- Refutation
- S(a);CHECK,XP(D)
- Try
- Q(H);
- Vars
- K(b);OGATEB,S_FLIGHT,XS(E)::QAB(H)
- S(a);OGATE,XP(C)::QAR1(H),XS(a)
- S(c);N_GUARD,XQ(H)::S(E)
- S(c);N_GUARD::S(E),XS(c)
- S(c);N_GUARD::S(E)
- Refutation
- S(a);CHECK,XP(D)
- Try
- Q(H);
- Vars
- S(a);SBLOCK,XP(C)::R1(A)
- S(c);N_GUARD::S(E),XS(c)
- S(c);N_GUARD::S(E)
- Refutation
- S(a);CHECK,XP(D)
- Try
- Q(H);
- Vars
- S(a);SBLOCK,XP(C)::R1(A)
- S(c);N_GUARD::S(E),XS(c)
- S(c);N_GUARD::S(E)
- Refutation
- S(a);CHECK,XP(D)
- Try
- Q(H);
- Vars
- S(a);SBLOCK,XP(C)::R1(A)
- S(c);N_GUARD::S(E),XS(c)
- S(c);N_GUARD::S(E)
- Refutation
- S(a);CHECK,XP(D)
- Try
- P(G);
- Vars
- S(a);CHECK,OGATE,XP(D)::QAR1(H),XS(a)
- S(a);SBLOCK,XP(C)::R1(A)
- S(c);N_GUARD::S(E),XS(c)
- S(c);N_GUARD::S(E)
- Refutation
- P(d);XP(G)
- Try
- Actual
- Q(H);
- Vars
- S(a);CHECK,OGATE,XP(D)::QAR(H)+P(C),XS(a)
- K(b);OGATEB,S_FLIGHT,XS(E)::QAB(H)
- S(a);OGATE,P_SPINS(a),XP(C)::QAR1(H),XS(a)
- S(c);N_GUARD::S(E),XS(c)
- S(c);N_GUARD::S(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).