MESON Chess Problem Database
Problem Display
PID: 227820 (2n5/3N4/1p4n1/1R2p2p/PpkpR1pP/1p3pQ1/1P3KP1/4N3 w - - 0 1)
Hochberger, Alfred
Magyar Sakkvilag, 1926
#2
10 + 11
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Sf4
- 2.Sxe5#
- 1...Sxh4
- 2.Sxe5#
- 1...Sge7
- 2.Sxe5#
- 1...Sf8
- 2.Sxe5#
- 1...Sh8
- 2.Sxe5#
- 1...Sd6
- 2.Sxb6#
- 1...Sa7
- 2.Sxb6#
- 1...Sce7
- 2.Sxb6#
- 1...fxg2
- 2.Qd3#
- 1...Sf4
- Tries
- 1.Kf1?
- 1...Sxh4
- 2.Sxe5#
- 1...Sf4
- 2.Sxe5#
- 1...Sge7
- 2.Sxe5#
- 1...Sf8
- 2.Sxe5#
- 1...Sh8
- 2.Sxe5#
- 1...Sd6
- 2.Sxb6#
- 1...Sa7
- 2.Sxb6#
- 1...Sce7
- 2.Sxb6#
- 1...f2
- 2.Qd3#
- 1...fxg2+!
- 1...Sxh4
- 1.Kg1?
- 1...Sxh4
- 2.Sxe5#
- 1...fxg2
- 2.Qd3#
- 1...Sf4
- 2.Sxe5#
- 1...Sge7
- 2.Sxe5#
- 1...Sf8
- 2.Sxe5#
- 1...Sh8
- 2.Sxe5#
- 1...Sd6
- 2.Sxb6#
- 1...Sa7
- 2.Sxb6#
- 1...Sce7
- 2.Sxb6#
- 1...f2+!
- 1...Sxh4
- 1.Rxd4+?
- 1...exd4
- 2.Qc7#
- 1...Kxd4!
- 1...exd4
- 1.Rxg4?
- 1...Sxh4
- 2.Sxe5#
- 1...fxg2
- 2.Qd3#
- 1...Sf4
- 2.Sxe5#
- 1...Sge7
- 2.Sxe5#
- 1...Sf8
- 2.Sxe5#
- 1...Sh8
- 2.Sxe5#
- 1...Sd6
- 2.Sxb6#
- 1...Sa7
- 2.Sxb6#
- 1...Sce7
- 2.Sxb6#
- 1...e4
- 2.Qc7#
- 1...hxg4!
- 1...Sxh4
- 1.Qxe5?
- threat
- 2.Rxd4#
- 2.Qxd4#
- 2.Qc7#
- 2.Qd5#
- 2.Qe6#
- 1...Sxe5
- 2.Sxe5#
- 1...Sf4
- 2.Rxd4#
- 2.Qxd4#
- 2.Qc7#
- 1...Sge7
- 2.Rxd4#
- 2.Qxd4#
- 1...Sf8
- 2.Rxd4#
- 2.Qxd4#
- 2.Qc7#
- 2.Qd5#
- 1...Sd6
- 2.Sxb6#
- 2.Rxd4#
- 2.Qxd4#
- 2.Qd5#
- 2.Qe6#
- 1...Sa7
- 2.Sxb6#
- 2.Rxd4#
- 2.Qxd4#
- 2.Qd5#
- 2.Qe6#
- 1...Sce7
- 2.Sxb6#
- 2.Rxd4#
- 2.Qxd4#
- 1...g3+!
- threat
- 1.Qxg4?
- threat
- 2.Qe6#
- 1...Sf4
- 2.Sxe5#
- 1...Sge7
- 2.Sxe5#
- 1...Sf8
- 2.Sxe5#
- 1...Sce7
- 2.Sxb6#
- 1...hxg4!
- threat
- 1.gxf3?
- 1...Sxh4
- 2.Sxe5#
- 1...Sf4
- 2.Sxe5#
- 1...Sge7
- 2.Sxe5#
- 1...Sf8
- 2.Sxe5#
- 1...Sh8
- 2.Sxe5#
- 1...Sd6
- 2.Sxb6#
- 1...Sa7
- 2.Sxb6#
- 1...Sce7
- 2.Sxb6#
- 1...gxf3!
- 1...Sxh4
- 1.Kf1?
- Keys
- 1.Re2!
- 1...Sxh4
- 2.Sxe5#
- 1...fxe2
- 2.Qd3#
- 1...fxg2
- 2.Qd3#
- 1...d3
- 2.Re4#
- 1...Sf4
- 2.Sxe5#
- 1...Sge7
- 2.Sxe5#
- 1...Sf8
- 2.Sxe5#
- 1...Sh8
- 2.Sxe5#
- 1...Sd6
- 2.Sxb6#
- 1...Sa7
- 2.Sxb6#
- 1...Sce7
- 2.Sxb6#
- 1...e4
- 2.Qc7#
- 1...Sxh4
- 1.Re2!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- S(j);N_GUARD::S(J),XP(g)
- S(j);N_GUARD,XP(H)::S(J),XP(g)
- S(k);N_GUARD::S(J),XP(i)
- P(b);OGATE,XP(D)::QAB1(E)
- Tries
- Try
- K(C);P-FLIGHT
- Vars
- S(j);N_GUARD,XP(H)::S(J),XP(g)
- S(j);N_GUARD::S(J),XP(g)
- S(k);N_GUARD::S(J),XP(i)
- P(b);OGATE::QAB1(E)
- Refutation
- P(b);CHECK,XP(D)
- Try
- K(C);S_FLIGHT
- Vars
- S(j);N_GUARD,XP(H)::S(J),XP(g)
- P(b);OGATE,XP(D)::QAB1(E)
- S(j);N_GUARD::S(J),XP(g)
- S(k);N_GUARD::S(J),XP(i)
- Refutation
- P(b);CHECK
- Try
- R(G);CHECK,XP(e)
- Vars
- P(g);OGATE,SBLOCK,XR(G)::QAR(E)
- Refutation
- K(d);P-FLIGHT,XR(G)
- Try
- R(G);XP(f)
- Vars
- S(j);N_GUARD,XP(H)::S(J),XP(g)
- P(b);OGATE,XP(D)::QAB1(E)
- S(j);N_GUARD,N_SPINP(e)::S(J),XP(g)
- S(j);N_GUARD::S(J),XP(g)
- S(k);N_GUARD::S(J),XP(i)
- P(g);N_SPINP(e),OGATE::QAR(E)
- Refutation
- P(h);N_SPINP(e),XR(G)
- Try
- Q(E);XP(g)
- Threat
- DUALS(5)
- Vars
- S(j);XQ(E)::S(J),XS(j)
- Refutation
- P(f);CHECK
- Try
- Q(E);XP(f)
- Threat
- QAB(E)
- Vars
- S(j);N_GUARD::S(J),XP(g)
- S(k);N_GUARD::S(J),XP(i)
- Refutation
- P(h);XQ(E)
- Try
- P(D);XP(b)
- Vars
- S(j);N_GUARD,XP(H)::S(J),XP(g)
- S(j);N_GUARD::S(J),XP(g)
- S(k);N_GUARD::S(J),XP(i)
- Refutation
- P(f);XP(D)
- Try
- Actual
- R(G);N_PINP(e)
- Vars
- S(j);N_GUARD,XP(H)::S(J),XP(g)
- P(b);OGATE,XR(G)::QAB1(E)
- P(b);OGATE,XP(D)::QAB1(E)
- P(e);OGATEB::R(G)
- S(j);N_GUARD::S(J),XP(g)
- S(k);N_GUARD::S(J),XP(i)
- P(g);OGATE::QAR(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).