MESON Chess Problem Database
Problem Display
PID: 47178 (n3N3/Q1pBR3/1rP5/1P1kp3/1R2pp2/1K2np2/1P3B2/8 w - - 0 1)
Hermanson, Halvar
2nd Prize, Themes-64, 1956
#2
10 + 9
| 4872 | Themes-64 | 1957 |
SOLUTION
- SOUND
- Sets
- 1...Kc5
- 2.Rxe5#
- 1...Rxb5
- 2.Rxb5#
- 1...Ra6
- 2.Be6#
- 1...Rxc6
- 2.Bxc6#
- 1...Rb7
- 2.Be6#
- 1...Rb8
- 2.Be6#
- 1...Sd1
- 2.Be6#
- 1...Sf1
- 2.Be6#
- 1...Sc2
- 2.Be6#
- 1...Sg2
- 2.Be6#
- 1...Sc4
- 2.Be6#
- 1...Sg4
- 2.Be6#
- 1...Sf5
- 2.Be6#
- 1...Kc5
- Tries
- 1.Kc3?
- 1...Rxc6+
- 2.Bxc6#
- 1...Kc5
- 2.Rxe5#
- 1...Rxb5
- 2.Rxb5#
- 1...Ra6
- 2.Be6#
- 1...Rb7
- 2.Be6#
- 1...Rb8
- 2.Be6#
- 1...Sf1
- 2.Be6#
- 2.Qa2#
- 1...Sc2
- 2.Be6#
- 2.Qa2#
- 1...Sg2
- 2.Be6#
- 2.Qa2#
- 1...Sc4
- 2.Be6#
- 1...Sg4
- 2.Be6#
- 2.Qa2#
- 1...Sf5
- 2.Be6#
- 2.Qa2#
- 1...Sd1+!
- 1...Rxc6+
- 1.Bg1?
- 1...Kc5
- 2.Rxe5#
- 1...Rxb5
- 2.Rxb5#
- 1...Rxc6
- 2.Bxc6#
- 1...Ra6
- 2.Be6#
- 1...Rb7
- 2.Be6#
- 1...Rb8
- 2.Be6#
- 1...Sd1
- 2.Be6#
- 1...Sf1
- 2.Be6#
- 1...Sc2
- 2.Be6#
- 1...Sg2
- 2.Be6#
- 1...Sc4
- 2.Be6#
- 1...Sg4
- 2.Be6#
- 1...Sf5
- 2.Be6#
- 1...f2!
- 1...Kc5
- 1.Bxe3?
- threat
- 2.Be6#
- 1...Rxb5
- 2.Rxb5#
- 1...Rxc6
- 2.Bxc6#
- 1...fxe3!
- threat
- 1.Bf5?
- 1...Kc5
- 2.Rxe5#
- 1...Rxb5
- 2.Bxe4#
- 1...Rxc6
- 2.Bxe4#
- 1...Ra6
- 2.Bxe4#
- 2.Be6#
- 2.Rd7#
- 1...Rb7
- 2.Bxe4#
- 2.Be6#
- 2.Rd7#
- 1...Rb8
- 2.Bxe4#
- 2.Be6#
- 2.Rd7#
- 1...Sd1
- 2.Bxe4#
- 2.Be6#
- 2.Rd7#
- 1...Sf1
- 2.Bxe4#
- 2.Be6#
- 2.Rd7#
- 1...Sc2
- 2.Bxe4#
- 2.Be6#
- 2.Rd7#
- 1...Sg2
- 2.Bxe4#
- 2.Be6#
- 2.Rd7#
- 1...Sc4
- 2.Be6#
- 1...Sg4
- 2.Bxe4#
- 2.Be6#
- 2.Rd7#
- 1...Sxf5!
- 1...Kc5
- 1.Ra4?
- 1...Kc5
- 2.Rxe5#
- 1...Rxc6
- 2.Bxc6#
- 1...Ra6
- 2.Be6#
- 1...Rb7
- 2.Be6#
- 1...Rb8
- 2.Be6#
- 1...Sd1
- 2.Be6#
- 1...Sf1
- 2.Be6#
- 1...Sc2
- 2.Be6#
- 1...Sg2
- 2.Be6#
- 1...Sc4
- 2.Be6#
- 1...Sg4
- 2.Be6#
- 1...Sf5
- 2.Be6#
- 1...Rxb5+!
- 1...Kc5
- 1.Rc4?
- threat
- 2.Be6#
- 1...Rxc6
- 2.Bxc6#
- 1...Rxb5+!
- threat
- 1.Re6?
- 1...Kc5
- 2.Rxe5#
- 1...Rxb5
- 2.Sf6#
- 2.Rxb5#
- 1...Rxc6
- 2.Sf6#
- 1...Ra6
- 2.Sf6#
- 1...Rb7
- 2.Sf6#
- 1...Rb8
- 2.Sf6#
- 1...Sd1
- 2.Sf6#
- 1...Sf1
- 2.Sf6#
- 1...Sc2
- 2.Sf6#
- 1...Sg2
- 2.Sf6#
- 1...Sc4
- 2.Sf6#
- 1...Sf5
- 2.Sf6#
- 1...Sg4!
- 1...Kc5
- 1.Qxc7?
- threat
- 2.Rxe5#
- 2.Qxe5#
- 2.Qd6#
- 1...Kc5
- 2.Rxe5#
- 2.Qxe5#
- 2.Qd6#
- 1...Rxc6
- 2.Rxe5#
- 2.Qxe5#
- 2.Qxc6#
- 1...Sc4
- 2.Sf6#
- 2.Be6#
- 1...Sg4
- 2.Be6#
- 2.Qd6#
- 1...Sf5
- 2.Sf6#
- 2.Be6#
- 2.Rxe5#
- 2.Qxe5#
- 1...Sxc7!
- threat
- 1.Kc3?
- Keys
- 1.Qa5!
- 1...Kc5
- 2.Rxe5#
- 1...Rxb5
- 2.Qxb5#
- 1...Rxc6
- 2.bxc6#
- 1...Ra6
- 2.bxa6#
- 1...Rb7
- 2.b6#
- 1...Rb8
- 2.b6#
- 1...Sd1
- 2.Be6#
- 1...Sf1
- 2.Be6#
- 1...Sc2
- 2.Be6#
- 1...Sg2
- 2.Be6#
- 1...Sc4
- 2.Be6#
- 1...Sg4
- 2.Be6#
- 1...Sf5
- 2.Be6#
- 1...Kc5
- 1.Qa5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 5
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(e);P-FLIGHT,P_SPINR(g),P_SPINS(a)::R(I),XP(f)
- R(g);OGATE,P_PINR(D),XP(E)::R(D),XR(g)
- R(g);::B(H)
- R(g);OGATE,XP(F)::B(H),XR(g)
- S(a);::B(H)
- Tries
- Try
- K(C);P-FLIGHT
- Vars
- R(g);CHECK,OGATE,XP(F)::B(H),XR(g)
- K(e);P-FLIGHT,P_SPINR(g),P_SPINS(a)::R(I),XP(f)
- R(g);OGATE,XP(E)::R(D),XR(g)
- R(g);::B(H)
- S(a);::B(H)
- Refutation
- S(a);CHECK
- Try
- B(B);
- Vars
- K(e);P-FLIGHT,P_SPINR(g),P_SPINS(a)::R(I),XP(f)
- R(g);OGATE,P_PINR(D),XP(E)::R(D),XR(g)
- R(g);OGATE,XP(F)::B(H),XR(g)
- R(g);::B(H)
- S(a);::B(H)
- Refutation
- P(b);
- Try
- B(B);XS(a)
- Threat
- B(H)
- Vars
- R(g);OGATE,P_PINR(D),XP(E)::R(D),XR(g)
- R(g);OGATE,XP(F)::B(H),XR(g)
- Refutation
- P(d);XB(B)
- Try
- B(H);
- Vars
- K(e);P-FLIGHT,P_SPINR(g),P_SPINS(a)::R(I),XP(f)
- R(g);P_PINR(D),XP(E)::B(H),XP(c)
- R(g);XP(F)::B(H),XP(c)
- S(a);::B(H)
- Refutation
- S(a);XB(H)
- Try
- R(D);P_SPINP(E)
- Vars
- K(e);P-FLIGHT,P_SPINR(g),P_SPINS(a)::R(I),XP(f)
- R(g);N_PINP(E),OGATE,XP(F)::B(H),XR(g)
- R(g);N_PINP(E)::B(H)
- R(g);::B(H)
- S(a);::B(H)
- Refutation
- R(g);CHECK,XP(E)
- Try
- R(D);P_SPINP(E)
- Threat
- B(H)
- Vars
- R(g);N_PINP(E),OGATE,XP(F)::B(H),XR(g)
- Refutation
- R(g);CHECK,XP(E)
- Try
- R(I);
- Vars
- K(e);P-FLIGHT,P_SPINR(g),P_SPINS(a)::R(I),XP(f)
- R(g);XP(F)::S(J)
- R(g);::S(J)
- S(a);::S(J)
- Refutation
- S(a);
- Try
- Q(G);XP(h)
- Threat
- DUALS(3)
- Refutation
- S(i);XQ(G)
- Try
- Actual
- Q(G);
- Vars
- K(e);P-FLIGHT,P_SPINS(a)::R(I),XP(f)
- R(g);OGATE,P_PINR(D),P_SPINR(g),XP(E)::QAR2(G),XR(g)
- R(g);OGATE,XP(F)::QAR(G)+P(E),XR(g)
- R(g);OGATE::QAR(G)+P(E),XR(g)
- R(g);OGATE::QAR(G)+P(E)
- S(a);::B(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).