MESON Chess Problem Database
Problem Display
PID: 59867 (8/3n3p/1NN3pP/4b1Q1/pRppk1P1/K7/2p1P3/2B5 w - - 0 1)
Palkoska, Emil
5th Highly Comm., Brisbane Courier, 1924
#2
9 + 9
SOLUTION
- SOUND
- Sets
- 1...Bh2
- 2.Qd5#
- 1...Bg3
- 2.Qd5#
- 1...Bf4
- 2.Qxf4#
- 2.Qd5#
- 1...Bd6
- 2.Qd5#
- 1...Bf6
- 2.Qf4#
- 2.Qd5#
- 1...Bc7
- 2.Qd5#
- 1...Bg7
- 2.Qf4#
- 2.Qd5#
- 1...Bb8
- 2.Qd5#
- 1...Bh8
- 2.Qf4#
- 2.Qd5#
- 1...Sc5
- 2.Qxe5#
- 1...Sxb6
- 2.Qxe5#
- 1...Sf6
- 2.Qxe5#
- 1...Sb8
- 2.Qxe5#
- 1...Sf8
- 2.Qxe5#
- 1...c3
- 2.Qe3#
- 1...d3
- 2.Qe3#
- 1...Bh2
- Tries
- 1.Ka2?
- 1...Sxb6
- 2.Qxe5#
- 1...Bh2
- 2.Qd5#
- 1...Bg3
- 2.Qd5#
- 1...Bf4
- 2.Qxf4#
- 2.Qd5#
- 1...Bd6
- 2.Qd5#
- 1...Bf6
- 2.Qf4#
- 2.Qd5#
- 1...Bc7
- 2.Qd5#
- 1...Bg7
- 2.Qf4#
- 2.Qd5#
- 1...Bb8
- 2.Qd5#
- 1...Bh8
- 2.Qf4#
- 2.Qd5#
- 1...Sc5
- 2.Qxe5#
- 1...Sf6
- 2.Qxe5#
- 1...Sb8
- 2.Qxe5#
- 1...Sf8
- 2.Qxe5#
- 1...c3
- 2.Qe3#
- 1...d3
- 2.Qe3#
- 1...a3!
- 1...Sxb6
- 1.Sxd7?
- threat
- 2.Qxe5#
- 1...Bh2
- 2.Sc5#
- 2.Sf6#
- 1...Bg3
- 2.Sc5#
- 2.Sf6#
- 1...Bf4
- 2.Sc5#
- 2.Sf6#
- 1...Bd6
- 2.Sf6#
- 1...Bf6
- 2.Sc5#
- 2.Sxf6#
- 1...Bc7
- 2.Sc5#
- 2.Sf6#
- 1...Bg7
- 2.Sc5#
- 1...Bb8
- 2.Sc5#
- 2.Sf6#
- 1...Bh8
- 2.Sc5#
- 1...Kd5!
- threat
- 1.Sxd4?
- threat
- 2.Qe3#
- 1...Kxd4
- 2.Rxc4#
- 2.Qe3#
- 1...Bxd4
- 2.Qf4#
- 2.Qd5#
- 1...Bf4
- 2.Qxf4#
- 2.Qd5#
- 1...Sxb6!
- threat
- 1.Rxa4?
- 1...Sxb6
- 2.Qxe5#
- 1...Bh2
- 2.Qd5#
- 1...Bg3
- 2.Qd5#
- 1...Bf4
- 2.Qxf4#
- 2.Qd5#
- 1...Bf6
- 2.Qf4#
- 2.Qd5#
- 1...Bc7
- 2.Qd5#
- 1...Bg7
- 2.Qf4#
- 2.Qd5#
- 1...Bb8
- 2.Qd5#
- 1...Bh8
- 2.Qf4#
- 2.Qd5#
- 1...Sc5
- 2.Qxe5#
- 1...Sf6
- 2.Qxe5#
- 1...Sb8
- 2.Qxe5#
- 1...Sf8
- 2.Qxe5#
- 1...c3
- 2.Qe3#
- 1...d3
- 2.Qe3#
- 1...Bd6+!
- 1...Sxb6
- 1.Rxc4?
- threat
- 2.Qe3#
- 1...Sxb6
- 2.Qxe5#
- 1...Bf4
- 2.Rxd4#
- 2.Qxf4#
- 2.Qd5#
- 1...Bd6+!
- threat
- 1.Qh5?
- threat
- 2.Qh1#
- 1...Bh2
- 2.Qd5#
- 1...gxh5!
- threat
- 1.Ka2?
- Keys
- 1.Qe7!
- 1...Sxb6
- 2.Qxe5#
- 1...Sc5
- 2.Qxe5#
- 1...Sf6
- 2.Qxe5#
- 1...Sb8
- 2.Qxe5#
- 1...Sf8
- 2.Qxe5#
- 1...c3
- 2.Rxd4#
- 1...d3
- 2.Rxc4#
- 1...g5
- 2.Qxh7#
- 1...Sxb6
- 1.Qe7!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- B(f);OGATE::QAB1(F)
- B(f);OGATE,P_PINR(D)::QAB1(F)
- S(h);N_GUARD::QAR1(F),XB(f)
- S(h);N_GUARD,XS(G)::QAR1(F),XB(f)
- P(c);P_SPINP(d)::QAR1(F)
- P(d);N_GUARD,P_SPINP(c)::QAR1(F)
- Tries
- Try
- K(C);P-FLIGHT
- Vars
- S(h);N_GUARD,XS(G)::QAR1(F),XB(f)
- B(f);OGATE::QAB1(F)
- S(h);N_GUARD::QAR1(F),XB(f)
- P(c);P_SPINP(d)::QAR1(F)
- P(d);N_GUARD,P_SPINP(c)::QAR1(F)
- Refutation
- P(b);
- Try
- S(G);XS(h)
- Threat
- QAR1(F),XB(f)
- Vars
- B(f);N_GUARD,P_PINR(D)::S(G)
- B(f);::S(G)
- Refutation
- K(e);P_SPINB(f),S_FLIGHT
- Try
- S(H);XP(d)
- Threat
- QAR1(F)
- Refutation
- S(h);XS(G)
- Try
- R(D);XP(b)
- Vars
- S(h);N_GUARD,XS(G)::QAR1(F),XB(f)
- B(f);OGATE::QAB1(F)
- S(h);N_GUARD::QAR1(F),XB(f)
- P(c);P_SPINP(d)::QAR1(F)
- P(d);N_GUARD,P_SPINP(c)::QAR1(F)
- Refutation
- B(f);CHECK
- Try
- R(D);P_PINP(d),XP(c)
- Threat
- QAR1(F)
- Vars
- S(h);N_GUARD,XS(G)::QAR1(F),XB(f)
- Refutation
- B(f);CHECK
- Try
- Q(F);
- Threat
- QAB(F)
- Vars
- B(f);OGATE::QAB1(F)
- Refutation
- P(g);XQ(F)
- Try
- Actual
- Q(F);P_PINB(f)
- Vars
- S(h);N_GUARD,XS(G)::QAR1(F),XB(f)
- S(h);N_GUARD::QAR1(F),XB(f)
- P(c);OGATE,P_SPINP(d)::R1(D),XP(d)
- P(d);OGATEB,P_SPINP(c)::R(D),XP(c)
- P(g);OGATEB::QAB(F),XP(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).