MESON Chess Problem Database
Problem Display
PID: 227712 (4R3/2p5/2P1n3/1Q1p1pP1/1P1kpnNR/1B4B1/8/1N3K2 w - - 0 1)
Zilahi, Zoltan
Magyar Sakkvilag, 1926
#2
11 + 7
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Se2
- 2.Be5#
- 2.Qxd5#
- 1...Sg2
- 2.Be5#
- 2.Qxd5#
- 1...Sd3
- 2.Qxd5#
- 1...Sh3
- 2.Be5#
- 2.Qxd5#
- 1...Sh5
- 2.Be5#
- 2.Qxd5#
- 1...Sg6
- 2.Qxd5#
- 1...Se2
- Tries
- 1.Sf2?
- 1...Ke5
- 2.Qxd5#
- 1...Sxg5
- 2.Qc5#
- 1...Se2
- 2.Qd3#
- 1...Sg2
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Sh3
- 2.Qd3#
- 1...Sh5
- 2.Qd3#
- 1...Sg6
- 2.Qd3#
- 1...Sc5
- 2.Qxc5#
- 1...Sg7
- 2.Qc5#
- 1...Sd8
- 2.Qc5#
- 1...Sf8
- 2.Qc5#
- 1...e3
- 2.Qxd5#
- 1...Ke3!
- 1...Ke5
- 1.Se3?
- 1...Ke5
- 2.Qxd5#
- 1...Sxg5
- 2.Sc2#
- 2.Sxf5#
- 1...Se2
- 2.Sc2#
- 2.Sxf5#
- 1...Sg2
- 2.Sc2#
- 2.Sxf5#
- 1...Sd3
- 2.Sc2#
- 2.Sxf5#
- 1...Sh3
- 2.Sc2#
- 2.Sxf5#
- 1...Sh5
- 2.Sc2#
- 2.Sxf5#
- 1...Sg6
- 2.Sc2#
- 2.Sxf5#
- 1...Sc5
- 2.Sc2#
- 2.Sxf5#
- 1...Sg7
- 2.Sc2#
- 1...Sd8
- 2.Sc2#
- 2.Sxf5#
- 1...Sf8
- 2.Sc2#
- 2.Sxf5#
- 1...Kxe3!
- 1...Ke5
- 1.Bxd5?
- threat
- 2.Qc4#
- 1...Sxd5
- 2.Be5#
- 1...fxg4!
- threat
- 1.Bxf4?
- threat
- 2.Be3#
- 2.Be5#
- 2.Qxd5#
- 1...fxg4
- 2.Qxd5#
- 1...e3
- 2.Qxd5#
- 1...Sc5
- 2.Be3#
- 2.Be5#
- 1...Sxf4!
- threat
- 1.Qc5+?
- 1...Kd3
- 2.Sf2#
- 2.Se5#
- 2.Bc2#
- 2.Qe3#
- 2.Qc3#
- 1...Sxc5!
- 1...Kd3
- 1.Sf2?
- Keys
- 1.Se5!
- 1...Ke3
- 2.Bf2#
- 1...Kxe5
- 2.Qxd5#
- 1...Sxg5
- 2.Qc5#
- 1...Se2
- 2.Qd3#
- 1...Sg2
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Sh3
- 2.Qd3#
- 1...Sh5
- 2.Qd3#
- 1...Sg6
- 2.Qd3#
- 1...Sc5
- 2.Qxc5#
- 1...Sg7
- 2.Qc5#
- 1...Sd8
- 2.Qc5#
- 1...Sf8
- 2.Qc5#
- 1...e3
- 2.Qxd5#
- 1...Ke3
- 1.Se5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 2
- ADDED MATES = 12
- REMOVED MATES = 0
- Sets
- S(c);N_GUARD,SBLOCK::QAR1(H),XP(d)
- S(c);N_GUARD::QAR1(H),XP(d)
- Tries
- Try
- S(F);
- Vars
- K(a);P_SPINP(d),P_SPINS(c),S_FLIGHT::QAR1(H),XP(d)
- S(f);N_GUARD,XP(I)::QAB1(H)
- S(c);N_GUARD,P_SPINP(b)::QAR1(H)
- S(c);N_GUARD,P_SPINP(b)::QAR1(H),XS(c)
- S(f);N_GUARD::QAB1(H),XS(f)
- S(f);N_GUARD::QAB1(H)
- P(b);P_SPINS(c),SBLOCK::QAR1(H),XP(d)
- Refutation
- K(a);S_FLIGHT
- Try
- S(F);
- Vars
- K(a);P_SPINP(d),P_SPINS(c),S_FLIGHT::QAR1(H),XP(d)
- S(f);::S(F)
- Refutation
- K(a);S_FLIGHT,XS(F)
- Try
- B(C);XP(d)
- Threat
- QAR1(H)
- Vars
- S(c);OGATE,XB(C)::B(D)
- Refutation
- P(e);XS(F)
- Try
- B(D);XS(c)
- Threat
- DUALS(3)
- Vars
- P(e);XS(F)::QAR1(H),XP(d)
- P(b);::QAR1(H),XP(d)
- Refutation
- S(f);XB(D)
- Try
- Q(H);CHECK
- Refutation
- S(f);XQ(H)
- Try
- Actual
- S(F);
- Vars
- K(a);S_FLIGHT::B(D)
- K(a);P_SPINP(d),P_SPINS(c),S_FLIGHT,XS(F)::QAR1(H),XP(d)
- S(f);N_GUARD,XP(I)::QAB1(H)
- S(c);N_GUARD,P_SPINP(b)::QAR1(H)
- S(c);N_GUARD,P_SPINP(b)::QAR1(H),XS(c)
- S(f);N_GUARD::QAB1(H),XS(f)
- S(f);N_GUARD::QAB1(H)
- P(b);P_SPINS(c),SBLOCK::QAR1(H),XP(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).