MESON Chess Problem Database
Problem Display
PID: 203559 (8/7p/2n3bP/3N2p1/3p2Q1/1PpkP3/2rp4/NB1RnK2 w - - 0 1)
Hertmann, Sandor
Magyar Sakkvilag, 1924
#2
9 + 10
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Be4
- 2.Qe2#
- 1...Bf5
- 2.Qxf5#
- 1...Bh5
- 2.Qf5#
- 1...Bf7
- 2.Qf5#
- 1...Be8
- 2.Qf5#
- 1...Sg2
- 2.Bxc2#
- 1...Sf3
- 2.Bxc2#
- 1...Sb4
- 2.Qxd4#
- 1...Sa5
- 2.Qxd4#
- 1...Se5
- 2.Qxd4#
- 1...Sa7
- 2.Qxd4#
- 1...Se7
- 2.Qxd4#
- 1...Sb8
- 2.Qxd4#
- 1...Sd8
- 2.Qxd4#
- 1...dxe3
- 2.Qc4#
- 1...Be4
- Tries
- 1.Kf2?
- 1...Be4
- 2.Qe2#
- 1...Bf5
- 2.Qxf5#
- 1...Bh5
- 2.Qf5#
- 1...Bf7
- 2.Qf5#
- 1...Be8
- 2.Qf5#
- 1...Sg2
- 2.Bxc2#
- 1...Sf3
- 2.Bxc2#
- 1...Sb4
- 2.Sxb4#
- 2.Qxd4#
- 1...Sa5
- 2.Sb4#
- 2.Qxd4#
- 1...Se5
- 2.Sb4#
- 2.Qxd4#
- 1...Sa7
- 2.Sb4#
- 2.Qxd4#
- 1...Se7
- 2.Sb4#
- 2.Qxd4#
- 1...Sb8
- 2.Sb4#
- 2.Qxd4#
- 1...Sd8
- 2.Sb4#
- 2.Qxd4#
- 1...dxe3+!
- 1...Be4
- 1.Sxc2?
- threat
- 2.Sxe1#
- 2.Scb4#
- 1...Sg2
- 2.Se1#
- 2.Scb4#
- 1...Sf3
- 2.Se1#
- 2.Scb4#
- 1...Sb4
- 2.Sxe1#
- 2.Scxb4#
- 2.Sdxb4#
- 2.Qxd4#
- 1...Sxc2!
- threat
- 1.Sb4+?
- 1...Sxb4
- 2.Qxd4#
- 1...Kxe3!
- 1...Sxb4
- 1.e4?
- threat
- 2.Qe2#
- 1...Sf3
- 2.Bxc2#
- 2.Qxf3#
- 1...Bh5!
- threat
- 1.Kf2?
- Keys
- 1.Qf3!
- 1...Sxf3
- 2.Bxc2#
- 1...dxe3
- 2.Qxe3#
- 1...Bf5
- 2.Qxf5#
- 1...Be4
- 2.Qe2#
- 1...Bh5
- 2.Qf5#
- 1...Bf7
- 2.Qf5#
- 1...Be8
- 2.Qf5#
- 1...Sg2
- 2.Bxc2#
- 1...Sb4
- 2.Sxb4#
- 1...Sa5
- 2.Sb4#
- 1...Se5
- 2.Sb4#
- 1...Sa7
- 2.Sb4#
- 1...Se7
- 2.Sb4#
- 1...Sb8
- 2.Sb4#
- 1...Sd8
- 2.Sb4#
- 1...g4
- 2.Sf4#
- 1...Sxf3
- 1.Qf3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 8
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(i);SBLOCK::QAB1(G)
- B(i);N_GUARD::QAB(G),XB(i)
- B(i);N_GUARD::QAB(G)
- S(a);N_GUARD::B(B),XR(b)
- S(h);N_GUARD::QAR1(G),XP(f)
- P(f);OGATE,XP(F)::QAB1(G)
- Tries
- Try
- K(D);P-FLIGHT
- Vars
- B(i);SBLOCK::QAB1(G)
- B(i);N_GUARD::QAB(G),XB(i)
- B(i);N_GUARD::QAB(G)
- S(a);N_GUARD::B(B),XR(b)
- Refutation
- P(f);CHECK,XP(F)
- Try
- S(A);XR(b)
- Threat
- DUALS(2)
- Refutation
- S(a);P_SPINS(a),XS(A)
- Try
- S(H);CHECK
- Vars
- S(h);XS(H)::QAR1(G),XP(f)
- Refutation
- K(e);N_SPINP(c),N_SPINR(b),P-FLIGHT,XP(F)
- Try
- P(F);
- Threat
- QAB1(G)
- Refutation
- B(i);
- Try
- Actual
- Q(G);
- Vars
- S(a);N_GUARD,XQ(G)::B(B),XR(b)
- P(f);OGATE,XP(F)::QAR1(G),XP(f)
- B(i);N_GUARD::QAB(G),XB(i)
- B(i);SBLOCK::QAB1(G)
- B(i);N_GUARD::QAB(G)
- S(a);N_GUARD::B(B),XR(b)
- S(h);N_GUARD::S(H),XS(h)
- S(h);N_GUARD::S(H)
- P(g);N_GUARD::S(H)
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).