MESON Chess Problem Database
Problem Display
PID: 54026 (8/rR1qN2K/R2B1kpn/3Pp1N1/3PpP2/7B/1b1r4/1nQ5 w - - 0 1)
Fleck, Ferenc
4th Prize, Schach-Echo, 1933
#2
11 + 10
SOLUTION
- SOUND
- Sets
- 1...Qxh3
- 2.Bxe5#
- 1...Qa4
- 2.Bxe5#
- 1...Qg4
- 2.Bxe5#
- 1...Qb5
- 2.Bxe5#
- 1...Qf5
- 2.Bxe5#
- 1...Qc6
- 2.Bxe5#
- 1...Qe6
- 2.Bxe5#
- 1...Qc8
- 2.Bxe5#
- 1...Qe8
- 2.Bxe5#
- 1...Qxd6
- 2.Rxd6#
- 1...Qxe7+
- 2.Bxe7#
- 1...Qd8
- 2.Bxe5#
- 1...Rd1
- 2.fxe5#
- 1...Rc2
- 2.fxe5#
- 1...Re2
- 2.fxe5#
- 1...Rf2
- 2.fxe5#
- 1...Rg2
- 2.fxe5#
- 1...Rh2
- 2.fxe5#
- 1...Rd3
- 2.fxe5#
- 1...Rxd4
- 2.fxe5#
- 1...Bxc1
- 2.dxe5#
- 1...Ba3
- 2.dxe5#
- 1...Sc3
- 2.dxe5#
- 1...Sf7
- 2.Sxe4#
- 2.Sg8#
- 1...Qxh3
- Tries
- 1.Kxh6?
- threat
- 2.Sg8#
- 2.fxe5#
- 1...Qxe7
- 2.Bxe5#
- 2.Bxe7#
- 1...Bxd4
- 2.Sg8#
- 1...exd4
- 2.Sg8#
- 1...exf4
- 2.Sg8#
- 1...Qg4
- 2.Bxe5#
- 2.fxe5#
- 1...Qf5
- 2.Sg8#
- 2.Bxe5#
- 1...Qe6
- 2.Bxe5#
- 1...Qc8
- 2.Bxe5#
- 2.fxe5#
- 1...Qe8
- 2.Bxe5#
- 2.fxe5#
- 1...Qd8
- 2.Bxe5#
- 2.fxe5#
- 1...Ra8
- 2.fxe5#
- 1...Qxh3+!
- threat
- 1.Ba3+?
- 1...Qc6
- 2.Rxc6#
- 2.Qxc6#
- 1...Qe6
- 2.Rxe6#
- 1...Qd6
- 2.Rxd6#
- 1...Rxa6!
- 1...Qc6
- 1.Bb4+?
- 1...Qc6
- 2.Rxc6#
- 2.Qxc6#
- 1...Qe6
- 2.Rxe6#
- 1...Qd6
- 2.Rxd6#
- 1...Rxa6!
- 1...Qc6
- 1.Bc5+?
- 1...Qc6
- 2.Rxc6#
- 1...Qe6
- 2.Rxe6#
- 1...Qd6
- 2.Rxd6#
- 1...Rxa6!
- 1...Qc6
- 1.Qc5?
- threat
- 2.Bxe5#
- 1...Qxe7+
- 2.Bxe7#
- 1...Qxd6
- 2.Rxd6#
- 2.Qxd6#
- 1...exd4
- 2.Be5#
- 1...exf4!
- threat
- 1.Kxh6?
- Keys
- 1.Be6!
- threat
- 2.Sxe4#
- 1...Qxe7+
- 2.Bxe7#
- 1...Qxe6
- 2.Bxe5#
- 1...Rxd4
- 2.fxe5#
- 1...Re2
- 2.fxe5#
- 1...Sc3
- 2.dxe5#
- 1...e3
- 2.Se4#
- threat
- 1.Be6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 18
- Sets
- Q(j);N_PINS(J),XB(B)::R(G)+B(H),DCHECK,XP(e)
- Q(j);N_PINS(J)::R(G)+B(H),DCHECK,XP(e)
- Q(j);N_PINS(J)::B(H),XP(e)
- Q(j);N_PINS(J),OGATE,P_SPINQ(j),XB(H)::R(G),XQ(j)
- Q(j);CHECK,OGATE,XS(J)::R(G)+B(H),DCHECK,XQ(j)
- R(c);::P(D),XP(e)
- R(c);XP(C)::P(D),XP(e)
- B(b);N_GUARD,XQ(A)::P(C),XP(e)
- B(b);N_GUARD::P(C),XP(e)
- S(a);S_CUTB(b)::P(C),XP(e)
- Tries
- Try
- K(K);N_SPINS(J),P-FLIGHT,XS(h)
- Threat
- DUALS(2)
- Vars
- B(b);XP(C)::S(J)
- P(e);XP(C)::S(J)
- P(e);XP(D)::S(J)
- Q(j);::B(H),XP(e)
- R(i);::P(D),XP(e)
- Refutation
- Q(j);CHECK,XB(B)
- Try
- B(H);CHECK
- Vars
- Q(j);N_GUARD,N_PINS(J),P_SPINQ(j)::R1(G),XQ(j)
- Q(j);N_GUARD,N_PINS(J),P_SPINQ(j)::R(G),XQ(j)
- Refutation
- R(i);XR(G)
- Try
- B(H);CHECK
- Vars
- Q(j);N_GUARD,N_PINS(J),P_SPINQ(j)::R1(G),XQ(j)
- Q(j);N_GUARD,N_PINS(J),P_SPINQ(j)::R(G),XQ(j)
- Refutation
- R(i);XR(G)
- Try
- B(H);CHECK
- Vars
- Q(j);N_GUARD,N_PINS(J),P_SPINQ(j)::R(G),XQ(j)
- Q(j);N_GUARD,N_PINS(J),P_SPINQ(j)::R1(G),XQ(j)
- Refutation
- R(i);XR(G)
- Try
- Q(A);
- Threat
- R(G)+B(H),DCHECK,XP(e)
- Vars
- Q(j);CHECK,OGATE,XS(J)::R(G)+B(H),DCHECK,XQ(j)
- P(e);XP(C)::R(G)+B(H),DCHECK
- Refutation
- P(e);XP(D)
- Try
- Actual
- B(B);
- Threat
- S(F),XP(d)
- Vars
- Q(j);CHECK,OGATE,XS(J)::B(H),XQ(j)
- Q(j);N_PINS(J),XB(B)::B(H),XP(e)
- R(c);XP(C)::P(D),XP(e)
- R(c);::P(D),XP(e)
- S(a);S_CUTB(b)::P(C),XP(e)
- P(d);::S(F)
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).