MESON Chess Problem Database
Problem Display
PID: 74332 (2QB2b1/K2R3p/1P2k2p/R1n2N1P/4pP2/8/1P5p/6qn w - - 0 1)
L'Hermet, Johann Georg Rudolf
Tijdschrift vd KNSB, 1938
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Kxf5
- 2.Rf7#
- 1...Qf2
- 2.Sg7#
- 1...Qe3
- 2.Sg7#
- 1...Qd4
- 2.Sxd4#
- 1...Qa1
- 2.Sd4#
- 2.Sg7#
- 1...Qb1
- 2.Sd4#
- 2.Sg7#
- 1...Qc1
- 2.Sd4#
- 2.Sg7#
- 1...Qd1
- 2.Sg7#
- 1...Qe1
- 2.Sd4#
- 2.Sg7#
- 1...Qf1
- 2.Sd4#
- 2.Sg7#
- 1...Qg2
- 2.Sd4#
- 1...Qg3
- 2.Sd4#
- 1...Qg4
- 2.Sd4#
- 1...Qg5
- 2.Sd4#
- 1...Qg6
- 2.Sd4#
- 1...Qg7
- 2.Sxg7#
- 1...Bf7
- 2.Rd6#
- 1...Sf2
- 2.Sd4#
- 1...Sg3
- 2.Sg7#
- 1...Sb3
- 2.Re5#
- 2.Rb7#
- 2.Rc7#
- 2.Rg7#
- 2.Rxh7#
- 2.Qc6#
- 1...Sd3
- 2.Rb7#
- 2.Rc7#
- 2.Rg7#
- 2.Rxh7#
- 2.Qc6#
- 1...Sa4
- 2.Re5#
- 2.Rb7#
- 2.Rc7#
- 2.Rg7#
- 2.Rxh7#
- 2.Qc6#
- 1...Sa6
- 2.Re5#
- 2.Rb7#
- 2.Rc7#
- 2.Rg7#
- 2.Rxh7#
- 2.Qc6#
- 1...Sb7
- 2.Re5#
- 2.Rxb7#
- 2.Rc7#
- 2.Rg7#
- 2.Rxh7#
- 1...Sxd7
- 2.Qc4#
- 1...e3
- 2.Sd4#
- 1...Kxf5
- Tries
- 1.Bh4?
- 1...Kxf5
- 2.Rf7#
- 1...Sxd7
- 2.Qc4#
- 2.Qe8#
- 1...Qd4
- 2.Sxd4#
- 1...Qf2
- 2.Sg7#
- 1...Qe3
- 2.Sg7#
- 1...Qa1
- 2.Sd4#
- 2.Sg7#
- 1...Qb1
- 2.Sd4#
- 2.Sg7#
- 1...Qc1
- 2.Sd4#
- 2.Sg7#
- 1...Qd1
- 2.Sg7#
- 1...Qe1
- 2.Sd4#
- 2.Sg7#
- 1...Qf1
- 2.Sd4#
- 2.Sg7#
- 1...Qg2
- 2.Sd4#
- 1...Qg3
- 2.Sd4#
- 1...Qg4
- 2.Sd4#
- 1...Qg6
- 2.Sd4#
- 1...Qg7
- 2.Sxg7#
- 1...Bf7
- 2.Rd6#
- 1...Sf2
- 2.Sd4#
- 1...Sg3
- 2.Sg7#
- 1...Sb3
- 2.Re5#
- 2.Rb7#
- 2.Rc7#
- 2.Re7#
- 2.Rg7#
- 2.Rxh7#
- 2.Qc6#
- 2.Qe8#
- 1...Sd3
- 2.Rb7#
- 2.Rc7#
- 2.Re7#
- 2.Rg7#
- 2.Rxh7#
- 2.Qc6#
- 2.Qe8#
- 1...Sa4
- 2.Re5#
- 2.Rb7#
- 2.Rc7#
- 2.Re7#
- 2.Rg7#
- 2.Rxh7#
- 2.Qc6#
- 2.Qe8#
- 1...Sa6
- 2.Re5#
- 2.Rb7#
- 2.Rc7#
- 2.Re7#
- 2.Rg7#
- 2.Rxh7#
- 2.Qc6#
- 2.Qe8#
- 1...Sb7
- 2.Re5#
- 2.Rxb7#
- 2.Rc7#
- 2.Re7#
- 2.Rg7#
- 2.Rxh7#
- 2.Qe8#
- 1...e3
- 2.Sd4#
- 1...Qg5!
- 1...Kxf5
- 1.Rb5?
- 1...Kxf5
- 2.Rf7#
- 1...Sxd7
- 2.Qc4#
- 1...Qd4
- 2.Sxd4#
- 1...Qf2
- 2.Sg7#
- 1...Qe3
- 2.Sg7#
- 1...Qb1
- 2.Sd4#
- 2.Sg7#
- 1...Qc1
- 2.Sd4#
- 2.Sg7#
- 1...Qd1
- 2.Sg7#
- 1...Qe1
- 2.Sd4#
- 2.Sg7#
- 1...Qf1
- 2.Sd4#
- 2.Sg7#
- 1...Qg2
- 2.Sd4#
- 1...Qg3
- 2.Sd4#
- 1...Qg4
- 2.Sd4#
- 1...Qg5
- 2.Sd4#
- 1...Qg6
- 2.Sd4#
- 1...Qg7
- 2.Sxg7#
- 1...Bf7
- 2.Rd6#
- 1...Sf2
- 2.Sd4#
- 1...Sg3
- 2.Sg7#
- 1...Sb3
- 2.Re5#
- 2.Rb7#
- 2.Rc7#
- 2.Rg7#
- 2.Rxh7#
- 2.Qc6#
- 1...Sd3
- 2.Rb7#
- 2.Rc7#
- 2.Rg7#
- 2.Rxh7#
- 2.Qc6#
- 1...Sa4
- 2.Re5#
- 2.Rb7#
- 2.Rc7#
- 2.Rg7#
- 2.Rxh7#
- 2.Qc6#
- 1...Sa6
- 2.Re5#
- 2.Rb7#
- 2.Rc7#
- 2.Rg7#
- 2.Rxh7#
- 2.Qc6#
- 1...Sb7
- 2.Re5#
- 2.Rxb7#
- 2.Rc7#
- 2.Rg7#
- 2.Rxh7#
- 1...e3
- 2.Sd4#
- 1...Qa1+!
- 1...Kxf5
- 1.Rxc5?
- threat
- 2.Re5#
- 2.Rb7#
- 2.Rdc7#
- 2.Rg7#
- 2.Rxh7#
- 2.Qc6#
- 1...Qxc5
- 2.Sg7#
- 1...Qd4
- 2.Sxd4#
- 1...Qd1
- 2.Sg7#
- 2.Re5#
- 1...Qg7
- 2.Sxg7#
- 2.Rxg7#
- 2.Qc6#
- 1...Bf7
- 2.Re5#
- 2.Rd1#
- 2.Rd2#
- 2.Rd3#
- 2.Rd4#
- 2.Rdd5#
- 2.Rd6#
- 2.Rb7#
- 2.Rdc7#
- 2.Qc6#
- 1...Qa1+!
- threat
- 1.Rd1+?
- 1...Sd7
- 2.Qxd7#
- 2.Qc4#
- 1...Kf7!
- 1...Sd7
- 1.Rd2+?
- 1...Sd7
- 2.Qxd7#
- 2.Qc4#
- 1...Kf7!
- 1...Sd7
- 1.Rd3+?
- 1...Sd7
- 2.Qxd7#
- 2.Qc4#
- 1...Kf7!
- 1...Sd7
- 1.Rd4+?
- 1...Sd7
- 2.Qxd7#
- 2.Qc4#
- 1...Kf7!
- 1...Sd7
- 1.Rb7+?
- 1...Sd7
- 2.Qxd7#
- 2.Qc4#
- 1...Kd5!
- 1...Sd7
- 1.Rc7+?
- 1...Sd7
- 2.Qxd7#
- 1...Kd5!
- 1...Sd7
- 1.Re7+?
- 1...Kf6
- 2.Rb7#
- 2.Rc7#
- 2.Rg7#
- 2.Rxh7#
- 1...Kd5!
- 1...Kf6
- 1.Rg7+?
- 1...Sd7
- 2.Re5#
- 2.Qxd7#
- 2.Qc4#
- 2.Qc6#
- 1...Kd5!
- 1...Sd7
- 1.Rxh7+?
- 1...Sd7
- 2.Re5#
- 2.Qxd7#
- 2.Qc4#
- 2.Qc6#
- 1...Kd5!
- 1...Sd7
- 1.b3?
- 1...Kxf5
- 2.Rf7#
- 1...Sxb3
- 2.Re5#
- 2.Rb7#
- 2.Rc7#
- 2.Rg7#
- 2.Rxh7#
- 2.Qc6#
- 1...Sxd7
- 2.Qc4#
- 1...Qd4
- 2.Sxd4#
- 1...Qf2
- 2.Sg7#
- 1...Qe3
- 2.Sg7#
- 1...Qb1
- 2.Sd4#
- 2.Sg7#
- 1...Qc1
- 2.Sd4#
- 2.Sg7#
- 1...Qd1
- 2.Sg7#
- 1...Qe1
- 2.Sd4#
- 2.Sg7#
- 1...Qf1
- 2.Sd4#
- 2.Sg7#
- 1...Qg2
- 2.Sd4#
- 1...Qg3
- 2.Sd4#
- 1...Qg4
- 2.Sd4#
- 1...Qg5
- 2.Sd4#
- 1...Qg6
- 2.Sd4#
- 1...Qg7
- 2.Sxg7#
- 1...Bf7
- 2.Rd6#
- 1...Sf2
- 2.Sd4#
- 1...Sg3
- 2.Sg7#
- 1...Sd3
- 2.Rb7#
- 2.Rc7#
- 2.Rg7#
- 2.Rxh7#
- 2.Qc6#
- 1...Sa4
- 2.Re5#
- 2.Rb7#
- 2.Rc7#
- 2.Rg7#
- 2.Rxh7#
- 2.Qc6#
- 1...Sa6
- 2.Re5#
- 2.Rb7#
- 2.Rc7#
- 2.Rg7#
- 2.Rxh7#
- 2.Qc6#
- 1...Sb7
- 2.Re5#
- 2.Rxb7#
- 2.Rc7#
- 2.Rg7#
- 2.Rxh7#
- 1...e3
- 2.Sd4#
- 1...Qa1!
- 1...Kxf5
- 1.b4?
- 1...Kxf5
- 2.Rf7#
- 1...Sxd7
- 2.Qc4#
- 1...Qd4
- 2.Sxd4#
- 1...Qf2
- 2.Sg7#
- 1...Qe3
- 2.Sg7#
- 1...Qb1
- 2.Sd4#
- 2.Sg7#
- 1...Qc1
- 2.Sd4#
- 2.Sg7#
- 1...Qd1
- 2.Sg7#
- 1...Qe1
- 2.Sd4#
- 2.Sg7#
- 1...Qf1
- 2.Sd4#
- 2.Sg7#
- 1...Qg2
- 2.Sd4#
- 1...Qg3
- 2.Sd4#
- 1...Qg4
- 2.Sd4#
- 1...Qg5
- 2.Sd4#
- 1...Qg6
- 2.Sd4#
- 1...Qg7
- 2.Sxg7#
- 1...Bf7
- 2.Rd6#
- 1...Sf2
- 2.Sd4#
- 1...Sg3
- 2.Sg7#
- 1...Sb3
- 2.Re5#
- 2.Rb7#
- 2.Rc7#
- 2.Rg7#
- 2.Rxh7#
- 2.Qc6#
- 1...Sd3
- 2.Rb7#
- 2.Rc7#
- 2.Rg7#
- 2.Rxh7#
- 2.Qc6#
- 1...Sa4
- 2.Re5#
- 2.Rb7#
- 2.Rc7#
- 2.Rg7#
- 2.Rxh7#
- 2.Qc6#
- 1...Sa6
- 2.Re5#
- 2.Rb7#
- 2.Rc7#
- 2.Rg7#
- 2.Rxh7#
- 2.Qc6#
- 1...Sb7
- 2.Re5#
- 2.Rxb7#
- 2.Rc7#
- 2.Rg7#
- 2.Rxh7#
- 1...e3
- 2.Sd4#
- 1...Qa1!
- 1...Kxf5
- 1.Bh4?
- Keys
- 1.Ka8!
- 1...Kxf5
- 2.Rf7#
- 1...Sxd7
- 2.Qc4#
- 1...Qf2
- 2.Sg7#
- 1...Qe3
- 2.Sg7#
- 1...Qd4
- 2.Sxd4#
- 1...Qa1
- 2.Sd4#
- 2.Sg7#
- 1...Qb1
- 2.Sd4#
- 2.Sg7#
- 1...Qc1
- 2.Sd4#
- 2.Sg7#
- 1...Qd1
- 2.Sg7#
- 1...Qe1
- 2.Sd4#
- 2.Sg7#
- 1...Qf1
- 2.Sd4#
- 2.Sg7#
- 1...Qg2
- 2.Sd4#
- 1...Qg3
- 2.Sd4#
- 1...Qg4
- 2.Sd4#
- 1...Qg5
- 2.Sd4#
- 1...Qg6
- 2.Sd4#
- 1...Qg7
- 2.Sxg7#
- 1...Bf7
- 2.Rd6#
- 1...Sf2
- 2.Sd4#
- 1...Sg3
- 2.Sg7#
- 1...Sb3
- 2.Re5#
- 2.Rda7#
- 2.Rb7#
- 2.Rc7#
- 2.Rg7#
- 2.Rxh7#
- 2.Qc6#
- 1...Sd3
- 2.Rda7#
- 2.Rb7#
- 2.Rc7#
- 2.Rg7#
- 2.Rxh7#
- 2.Qc6#
- 1...Sa4
- 2.Re5#
- 2.Rda7#
- 2.Rb7#
- 2.Rc7#
- 2.Rg7#
- 2.Rxh7#
- 2.Qc6#
- 1...Sa6
- 2.Re5#
- 2.Ra7#
- 2.Rb7#
- 2.Rc7#
- 2.Rg7#
- 2.Rxh7#
- 2.Qc6#
- 1...Sb7
- 2.Re5#
- 2.Rxb7#
- 2.Rc7#
- 2.Rg7#
- 2.Rxh7#
- 1...e3
- 2.Sd4#
- 1...Kxf5
- 1.Ka8!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(f);P_SPINS(e),S_FLIGHT,XS(D)::QAB(I)+R(H),DCHECK
- Q(a);N_GUARD::S(D)
- Q(a);N_GUARD::S(D),XQ(a)
- Q(a);N_GUARD,P_PINR(H)::S(D),XQ(a)
- B(i);SBLOCK::QAB(I)+R(H),DCHECK
- S(b);S_CUTQ(a)::S(D)
- S(e);OGATE,P_PINP(F),P_SPINS(e),SBLOCK,XR(H)::QAB(I)
- P(d);S_CUTQ(a)::S(D)
- Tries
- Try
- B(J);
- Vars
- K(f);P_SPINS(e),S_FLIGHT,XS(D)::QAB(I)+R(H),DCHECK
- Q(a);N_GUARD::S(D),XQ(a)
- Q(a);N_GUARD::S(D)
- Q(a);N_GUARD,P_PINR(H)::S(D),XQ(a)
- B(i);SBLOCK::QAB(I)+R(H),DCHECK
- S(b);S_CUTQ(a)::S(D)
- P(d);S_CUTQ(a)::S(D)
- Refutation
- Q(a);
- Try
- R(C);
- Vars
- K(f);P_SPINS(e),S_FLIGHT,XS(D)::QAB(I)+R(H),DCHECK
- S(e);OGATE,P_PINP(F),P_SPINS(e),SBLOCK,XR(H)::QAB(I)
- Q(a);N_GUARD::S(D),XQ(a)
- Q(a);N_GUARD::S(D)
- Q(a);N_GUARD,P_PINR(H)::S(D),XQ(a)
- B(i);SBLOCK::QAB(I)+R(H),DCHECK
- S(b);S_CUTQ(a)::S(D)
- P(d);S_CUTQ(a)::S(D)
- Refutation
- Q(a);CHECK
- Try
- R(C);XS(e)
- Threat
- DUALS(6)
- Vars
- Q(a);N_GUARD,P_PINP(F),XR(C)::S(D)
- Q(a);N_GUARD::S(D),XQ(a)
- Refutation
- Q(a);CHECK
- Try
- R(H);CHECK
- Refutation
- K(f);S_FLIGHT
- Try
- R(H);CHECK
- Refutation
- K(f);S_FLIGHT
- Try
- R(H);CHECK
- Refutation
- K(f);S_FLIGHT
- Try
- R(H);CHECK
- Refutation
- K(f);S_FLIGHT
- Try
- R(H);CHECK
- Refutation
- K(f);P_SPINS(e),S_FLIGHT
- Try
- R(H);CHECK
- Vars
- S(e);N_GUARD,P_PINP(F),P_SPINS(e)::QAB1(I),XS(e)
- Refutation
- K(f);P_SPINS(e),S_FLIGHT
- Try
- R(H);CHECK
- Refutation
- K(f);P_SPINS(e),S_FLIGHT
- Try
- R(H);CHECK
- Refutation
- K(f);P_SPINS(e),S_FLIGHT
- Try
- R(H);CHECK,XP(h)
- Refutation
- K(f);P_SPINS(e),S_FLIGHT
- Try
- P(A);
- Vars
- K(f);P_SPINS(e),S_FLIGHT,XS(D)::QAB(I)+R(H),DCHECK
- S(e);OGATE,P_PINP(F),P_SPINS(e),SBLOCK,XR(H)::QAB(I)
- Q(a);N_GUARD::S(D),XQ(a)
- Q(a);N_GUARD::S(D)
- Q(a);N_GUARD,P_PINR(H)::S(D),XQ(a)
- B(i);SBLOCK::QAB(I)+R(H),DCHECK
- S(b);S_CUTQ(a)::S(D)
- P(d);S_CUTQ(a)::S(D)
- Refutation
- Q(a);P_PINR(C)
- Try
- P(A);
- Vars
- K(f);P_SPINS(e),S_FLIGHT,XS(D)::QAB(I)+R(H),DCHECK
- S(e);OGATE,P_PINP(F),P_SPINS(e),SBLOCK,XR(H)::QAB(I)
- Q(a);N_GUARD::S(D),XQ(a)
- Q(a);N_GUARD::S(D)
- Q(a);N_GUARD,P_PINR(H)::S(D),XQ(a)
- B(i);SBLOCK::QAB(I)+R(H),DCHECK
- S(b);S_CUTQ(a)::S(D)
- P(d);S_CUTQ(a)::S(D)
- Refutation
- Q(a);P_PINR(C)
- Try
- Actual
- K(G);P-FLIGHT
- Vars
- K(f);P_SPINS(e),S_FLIGHT,XS(D)::QAB(I)+R(H),DCHECK
- S(e);OGATE,P_SPINS(e),SBLOCK,XR(H)::QAB(I)
- Q(a);N_GUARD::S(D)
- Q(a);N_GUARD::S(D),XQ(a)
- B(i);SBLOCK::QAB(I)+R(H),DCHECK
- S(b);S_CUTQ(a)::S(D)
- P(d);S_CUTQ(a)::S(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).