MESON Chess Problem Database
Problem Display
PID: 92941 (4B1N1/3PPnRp/4b2B/3p1k1P/Kprp1Pp1/1N1P2Q1/5n2/8 w - - 0 1)
Neukomm, Gyula (Julius) R
Tidskrift for Schack, 1920
#2
12 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Sxd4#
- 1...Rc2
- 2.Sxd4#
- 1...Rc3
- 2.Sxd4#
- 1...Rc5
- 2.Sxd4#
- 1...Rc6
- 2.Sxd4#
- 1...Rc7
- 2.Sxd4#
- 1...Rc8
- 2.Sxd4#
- 1...Bxd7+
- 2.Bxd7#
- 1...Sd1
- 2.Qxg4#
- 1...Sh1
- 2.Qxg4#
- 1...Sxd3
- 2.Qxd3#
- 1...Sh3
- 2.Qxg4#
- 1...Se4
- 2.Qxg4#
- 1...Se5
- 2.Rg5#
- 1...Sg5
- 2.Rxg5#
- 1...Sd6
- 2.Rg5#
- 1...Sxh6
- 2.Rg5#
- 1...Sd8
- 2.Rg5#
- 1...Sh8
- 2.Rg5#
- 1...Rc1
- Tries
- 1.Ka5?
- 1...Bxd7
- 2.Bxd7#
- 1...Sxd3
- 2.Qxd3#
- 1...Sxh6
- 2.Rg5#
- 1...Rc1
- 2.Sxd4#
- 1...Rc2
- 2.Sxd4#
- 1...Rc3
- 2.Sxd4#
- 1...Rc6
- 2.Sxd4#
- 1...Rc7
- 2.Sxd4#
- 1...Rc8
- 2.Sxd4#
- 1...Sd1
- 2.Qxg4#
- 1...Sh1
- 2.Qxg4#
- 1...Sh3
- 2.Qxg4#
- 1...Se4
- 2.Qxg4#
- 1...Se5
- 2.Rg5#
- 1...Sg5
- 2.Rxg5#
- 1...Sd6
- 2.Rg5#
- 1...Sd8
- 2.Rg5#
- 1...Sh8
- 2.Rg5#
- 1...Rc5+!
- 1...Bxd7
- 1.Rg6?
- threat
- 2.Rf6#
- 1...Bxd7+
- 2.Bxd7#
- 1...Sxd3
- 2.Qxd3#
- 1...Se4
- 2.Qxg4#
- 1...hxg6!
- threat
- 1.Qxf2?
- 1...Bxd7+
- 2.Bxd7#
- 1...Sxh6
- 2.Rg5#
- 1...Rc1
- 2.Sxd4#
- 1...Rc2
- 2.Sxd4#
- 1...Rc3
- 2.Sxd4#
- 1...Rc5
- 2.Sxd4#
- 1...Rc6
- 2.Sxd4#
- 1...Rc7
- 2.Sxd4#
- 1...Rc8
- 2.Sxd4#
- 1...Se5
- 2.Rg5#
- 1...Sg5
- 2.Rxg5#
- 1...Sd6
- 2.Rg5#
- 1...Sd8
- 2.Rg5#
- 1...Sh8
- 2.Rg5#
- 1...g3!
- 1...Bxd7+
- 1.Qh4?
- threat
- 2.Qf6#
- 1...Bxd7+
- 2.Bxd7#
- 1...Sg5
- 2.Qxg5#
- 1...Se4
- 2.Qxg4#
- 1...Sxd3!
- threat
- 1.d8Q?
- 1...Bd7+
- 2.Bxd7#
- 2.Qxd7#
- 1...Sxd3
- 2.Qxd3#
- 1...Sxh6
- 2.Rg5#
- 1...Sxd8
- 2.Rg5#
- 1...Sd1
- 2.Qxg4#
- 1...Rc1
- 2.Sxd4#
- 1...Rc2
- 2.Sxd4#
- 1...Rc3
- 2.Sxd4#
- 1...Rc5
- 2.Sxd4#
- 1...Rc6
- 2.Sxd4#
- 1...Rc7
- 2.Sxd4#
- 1...Rc8
- 2.Sxd4#
- 1...Sh1
- 2.Qxg4#
- 1...Sh3
- 2.Qxg4#
- 1...Se4
- 2.Qxg4#
- 1...Se5
- 2.Rg5#
- 1...Sg5
- 2.Rxg5#
- 1...Sd6
- 2.Rg5#
- 1...Sh8
- 2.Rg5#
- 1...Bc8!
- 1...Bd7+
- 1.d8B?
- 1...Bd7+
- 2.Bxd7#
- 1...Sxd3
- 2.Qxd3#
- 1...Sxh6
- 2.Rg5#
- 1...Sxd8
- 2.Rg5#
- 1...Sd1
- 2.Qxg4#
- 1...Rc1
- 2.Sxd4#
- 1...Rc2
- 2.Sxd4#
- 1...Rc3
- 2.Sxd4#
- 1...Rc5
- 2.Sxd4#
- 1...Rc6
- 2.Sxd4#
- 1...Rc7
- 2.Sxd4#
- 1...Rc8
- 2.Sxd4#
- 1...Sh1
- 2.Qxg4#
- 1...Sh3
- 2.Qxg4#
- 1...Se4
- 2.Qxg4#
- 1...Se5
- 2.Rg5#
- 1...Sg5
- 2.Rxg5#
- 1...Sd6
- 2.Rg5#
- 1...Sh8
- 2.Rg5#
- 1...Bc8!
- 1...Bd7+
- 1.d8R?
- 1...Bd7+
- 2.Bxd7#
- 1...Sxd3
- 2.Qxd3#
- 1...Sxh6
- 2.Rg5#
- 1...Sxd8
- 2.Rg5#
- 1...Sd1
- 2.Qxg4#
- 1...Rc1
- 2.Sxd4#
- 1...Rc2
- 2.Sxd4#
- 1...Rc3
- 2.Sxd4#
- 1...Rc5
- 2.Sxd4#
- 1...Rc6
- 2.Sxd4#
- 1...Rc7
- 2.Sxd4#
- 1...Rc8
- 2.Sxd4#
- 1...Sh1
- 2.Qxg4#
- 1...Sh3
- 2.Qxg4#
- 1...Se4
- 2.Qxg4#
- 1...Se5
- 2.Rg5#
- 1...Sg5
- 2.Rxg5#
- 1...Sd6
- 2.Rg5#
- 1...Sh8
- 2.Rg5#
- 1...Bc8!
- 1...Bd7+
- 1.Ka5?
- Keys
- 1.d8S!
- 1...Bd7+
- 2.Bxd7#
- 1...Sxd3
- 2.Qxd3#
- 1...Sxh6
- 2.Rg5#
- 1...Sxd8
- 2.Rg5#
- 1...Sd1
- 2.Qxg4#
- 1...Rc1
- 2.Sxd4#
- 1...Rc2
- 2.Sxd4#
- 1...Rc3
- 2.Sxd4#
- 1...Rc5
- 2.Sxd4#
- 1...Rc6
- 2.Sxd4#
- 1...Rc7
- 2.Sxd4#
- 1...Rc8
- 2.Sxd4#
- 1...Bc8
- 2.Rxf7#
- 1...Sh1
- 2.Qxg4#
- 1...Sh3
- 2.Qxg4#
- 1...Se4
- 2.Qxg4#
- 1...Se5
- 2.Rg5#
- 1...Sg5
- 2.Rxg5#
- 1...Sd6
- 2.Rg5#
- 1...Sh8
- 2.Rg5#
- 1...Bd7+
- 1.d8S!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(c);N_GUARD::S(A),XP(d)
- B(h);CHECK,OGATE,XP(H)::B(K),XB(h)
- S(a);N_GUARD::QAB1(C),XP(e)
- S(a);OGATE,XP(B)::QAB(C),XS(a)
- S(i);N_GUARD::R1(J)
- S(i);N_GUARD::R1(J),XS(i)
- S(i);N_GUARD,XB(G)::R1(J)
- Tries
- Try
- K(D);P-FLIGHT
- Vars
- B(h);OGATE,XP(H)::B(K),XB(h)
- S(a);OGATE,XP(B)::QAB(C),XS(a)
- S(i);N_GUARD,XB(G)::R1(J)
- R(c);N_GUARD::S(A),XP(d)
- S(a);N_GUARD::QAB1(C),XP(e)
- S(i);N_GUARD::R1(J)
- S(i);N_GUARD::R1(J),XS(i)
- Refutation
- R(c);CHECK
- Try
- R(J);
- Threat
- R1(J)
- Vars
- B(h);CHECK,OGATE,XP(H)::B(K),XB(h)
- S(a);OGATE,XP(B)::QAB(C),XS(a)
- S(a);N_GUARD::QAB1(C),XP(e)
- Refutation
- P(j);XR(J)
- Try
- Q(C);XS(a)
- Vars
- B(h);CHECK,OGATE,XP(H)::B(K),XB(h)
- S(i);N_GUARD,XB(G)::R1(J)
- R(c);N_GUARD::S(A),XP(d)
- S(i);N_GUARD::R1(J)
- S(i);N_GUARD::R1(J),XS(i)
- Refutation
- P(e);
- Try
- Q(C);
- Threat
- QAR1(C)
- Vars
- B(h);CHECK,OGATE,XP(H)::B(K),XB(h)
- S(i);N_GUARD::QAR1(C),XS(i)
- S(a);N_GUARD::QAB1(C),XP(e)
- Refutation
- S(a);XP(B)
- Try
- P(H);
- Vars
- S(a);OGATE,XP(B)::QAB(C),XS(a)
- S(i);N_GUARD,XB(G)::R1(J)
- S(i);N_GUARD,XQ(H)::R1(J)
- S(a);N_GUARD::QAB1(C),XP(e)
- R(c);N_GUARD::S(A),XP(d)
- S(i);N_GUARD::R1(J)
- S(i);N_GUARD::R1(J),XS(i)
- Refutation
- B(h);
- Try
- P(H);
- Vars
- B(h);CHECK,OGATEB::B(K),XB(h)
- S(a);OGATE,XP(B)::QAB(C),XS(a)
- S(i);N_GUARD,XB(G)::R1(J)
- S(i);N_GUARD,XB(H)::R1(J)
- S(a);N_GUARD::QAB1(C),XP(e)
- R(c);N_GUARD::S(A),XP(d)
- S(i);N_GUARD::R1(J)
- S(i);N_GUARD::R1(J),XS(i)
- Refutation
- B(h);
- Try
- P(H);
- Vars
- B(h);CHECK,OGATEB::B(K),XB(h)
- S(a);OGATE,XP(B)::QAB(C),XS(a)
- S(i);N_GUARD,XB(G)::R1(J)
- S(i);N_GUARD,XR(H)::R1(J)
- S(a);N_GUARD::QAB1(C),XP(e)
- R(c);N_GUARD::S(A),XP(d)
- S(i);N_GUARD::R1(J)
- S(i);N_GUARD::R1(J),XS(i)
- Refutation
- B(h);
- Try
- Actual
- P(H);
- Vars
- B(h);CHECK,OGATEB::B(K),XB(h)
- S(a);OGATE,XP(B)::QAB(C),XS(a)
- S(i);N_GUARD,XB(G)::R1(J)
- S(i);N_GUARD,XS(H)::R1(J)
- S(a);N_GUARD::QAB1(C),XP(e)
- R(c);N_GUARD::S(A),XP(d)
- B(h);N_GUARD::R(J),XS(i)
- S(i);N_GUARD::R1(J)
- S(i);N_GUARD::R1(J),XS(i)
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).