MESON Chess Problem Database
Problem Display
PID: 196543 (8/1K6/2P3B1/p6p/Rb5P/1PR1NkB1/3P2bQ/1N4r1 w - - 0 1)
Ruonala, Lauri Armas
Suomen Shakki, 1977
#2
12 + 6
SOLUTION
- SOUND
- Sets
- 1...Ke2
- 2.Bxh5#
- 1...Rxb1
- 2.Qxg2#
- 1...Rc1
- 2.Qxg2#
- 1...Rd1
- 2.Qxg2#
- 1...Re1
- 2.Qxg2#
- 1...Rf1
- 2.Qxg2#
- 1...Rh1
- 2.Qxg2#
- 1...Bf1
- 2.Qf2#
- 1...Bh1
- 2.Qf2#
- 1...Bh3
- 2.Qf2#
- 1...Ba3
- 2.Bxh5#
- 1...Bxc3
- 2.Bxh5#
- 1...Bc5
- 2.Bxh5#
- 1...Bd6
- 2.Bxh5#
- 1...Be7
- 2.Bxh5#
- 1...Bf8
- 2.Bxh5#
- 1...Ke2
- Tries
- 1.Ka6?
- 1...Ke2
- 2.Bxh5#
- 1...Rxb1
- 2.Qxg2#
- 1...Bxc3
- 2.Bxh5#
- 1...Rc1
- 2.Qxg2#
- 1...Rd1
- 2.Qxg2#
- 1...Re1
- 2.Qxg2#
- 1...Rf1
- 2.Qxg2#
- 1...Rh1
- 2.Qxg2#
- 1...Bh1
- 2.Qf2#
- 1...Bh3
- 2.Qf2#
- 1...Ba3
- 2.Bxh5#
- 1...Bc5
- 2.Bxh5#
- 1...Bd6
- 2.Bxh5#
- 1...Be7
- 2.Bxh5#
- 1...Bf8
- 2.Bxh5#
- 1...Bf1+!
- 1...Ke2
- 1.Kb6?
- 1...Ke2
- 2.Bxh5#
- 1...Rxb1
- 2.Qxg2#
- 1...Bxc3
- 2.Bxh5#
- 1...Rc1
- 2.Qxg2#
- 1...Rd1
- 2.Qxg2#
- 1...Re1
- 2.Qxg2#
- 1...Rf1
- 2.Qxg2#
- 1...Rh1
- 2.Qxg2#
- 1...Bf1
- 2.Qf2#
- 1...Bh1
- 2.Qf2#
- 1...Bh3
- 2.Qf2#
- 1...Ba3
- 2.Bxh5#
- 1...Bd6
- 2.Bxh5#
- 1...Be7
- 2.Bxh5#
- 1...Bf8
- 2.Bxh5#
- 1...Bc5+!
- 1...Ke2
- 1.Ka7?
- 1...Ke2
- 2.Bxh5#
- 1...Rxb1
- 2.Qxg2#
- 1...Bxc3
- 2.Bxh5#
- 1...Rc1
- 2.Qxg2#
- 1...Rd1
- 2.Qxg2#
- 1...Re1
- 2.Qxg2#
- 1...Rf1
- 2.Qxg2#
- 1...Rh1
- 2.Qxg2#
- 1...Bf1
- 2.Qf2#
- 1...Bh1
- 2.Qf2#
- 1...Bh3
- 2.Qf2#
- 1...Ba3
- 2.Bxh5#
- 1...Bd6
- 2.Bxh5#
- 1...Be7
- 2.Bxh5#
- 1...Bf8
- 2.Bxh5#
- 1...Bc5+!
- 1...Ke2
- 1.Kc7?
- 1...Ke2
- 2.Bxh5#
- 1...Rxb1
- 2.Qxg2#
- 1...Bxc3
- 2.Bxh5#
- 1...Rc1
- 2.Qxg2#
- 1...Rd1
- 2.Qxg2#
- 1...Re1
- 2.Qxg2#
- 1...Rf1
- 2.Qxg2#
- 1...Rh1
- 2.Qxg2#
- 1...Bf1
- 2.Qf2#
- 1...Bh1
- 2.Qf2#
- 1...Bh3
- 2.Qf2#
- 1...Ba3
- 2.Bxh5#
- 1...Bc5
- 2.Bxh5#
- 1...Be7
- 2.Bxh5#
- 1...Bf8
- 2.Bxh5#
- 1...Bd6+!
- 1...Ke2
- 1.Kb8?
- 1...Ke2
- 2.Bxh5#
- 1...Rxb1
- 2.Qxg2#
- 1...Bxc3
- 2.Bxh5#
- 1...Rc1
- 2.Qxg2#
- 1...Rd1
- 2.Qxg2#
- 1...Re1
- 2.Qxg2#
- 1...Rf1
- 2.Qxg2#
- 1...Rh1
- 2.Qxg2#
- 1...Bf1
- 2.Qf2#
- 1...Bh1
- 2.Qf2#
- 1...Bh3
- 2.Qf2#
- 1...Ba3
- 2.Bxh5#
- 1...Bc5
- 2.Bxh5#
- 1...Be7
- 2.Bxh5#
- 1...Bf8
- 2.Bxh5#
- 1...Bd6+!
- 1...Ke2
- 1.Kc8?
- 1...Ke2
- 2.Bxh5#
- 1...Rxb1
- 2.Qxg2#
- 1...Bxc3
- 2.Bxh5#
- 1...Rc1
- 2.Qxg2#
- 1...Rd1
- 2.Qxg2#
- 1...Re1
- 2.Qxg2#
- 1...Rf1
- 2.Qxg2#
- 1...Rh1
- 2.Qxg2#
- 1...Bf1
- 2.Qf2#
- 1...Bh1
- 2.Qf2#
- 1...Ba3
- 2.Bxh5#
- 1...Bc5
- 2.Bxh5#
- 1...Bd6
- 2.Bxh5#
- 1...Be7
- 2.Bxh5#
- 1...Bf8
- 2.Bxh5#
- 1...Bh3+!
- 1...Ke2
- 1.Sa3?
- 1...Bxa3
- 2.Bxh5#
- 1...Bxc3
- 2.Bxh5#
- 1...Ra1
- 2.Qxg2#
- 1...Rb1
- 2.Qxg2#
- 1...Rc1
- 2.Qxg2#
- 1...Rd1
- 2.Qxg2#
- 1...Re1
- 2.Qxg2#
- 1...Rf1
- 2.Qxg2#
- 1...Rh1
- 2.Qxg2#
- 1...Bf1
- 2.Qf2#
- 1...Bh1
- 2.Qf2#
- 1...Bh3
- 2.Qf2#
- 1...Bc5
- 2.Bxh5#
- 1...Bd6
- 2.Bxh5#
- 1...Be7
- 2.Bxh5#
- 1...Bf8
- 2.Bxh5#
- 1...Ke2!
- 1...Bxa3
- 1.Sd1+?
- 1...Kg4
- 2.Sf2#
- 1...Bxc3
- 2.Bxh5#
- 1...Ke2!
- 1...Kg4
- 1.Sd5+?
- 1...Kg4
- 2.Sf6#
- 1...Bxc3
- 2.Bxh5#
- 1...Ke2!
- 1...Kg4
- 1.Bd3?
- 1...Rxb1
- 2.Qxg2#
- 1...Bxc3
- 2.Rf4#
- 1...Rc1
- 2.Qxg2#
- 1...Rd1
- 2.Qxg2#
- 1...Re1
- 2.Qxg2#
- 1...Rf1
- 2.Qxg2#
- 1...Rh1
- 2.Qxg2#
- 1...Bf1
- 2.Qf2#
- 1...Bh1
- 2.Qf2#
- 1...Bh3
- 2.Qf2#
- 1...Ba3
- 2.Rf4#
- 1...Bc5
- 2.Rf4#
- 1...Be7
- 2.Rf4#
- 1...Bf8
- 2.Rf4#
- 1...Bd6!
- 1...Rxb1
- 1.Bf7?
- 1...Ke2
- 2.Bxh5#
- 1...Rxb1
- 2.Qxg2#
- 1...Bxc3
- 2.Bxh5#
- 1...Rc1
- 2.Qxg2#
- 1...Rd1
- 2.Qxg2#
- 1...Re1
- 2.Qxg2#
- 1...Rf1
- 2.Qxg2#
- 1...Rh1
- 2.Qxg2#
- 1...Bf1
- 2.Bd5#
- 1...Bh1
- 2.Bd5#
- 1...Bh3
- 2.Bd5#
- 1...Ba3
- 2.Bxh5#
- 1...Bc5
- 2.Bxh5#
- 1...Bd6
- 2.Bxh5#
- 1...Be7
- 2.Bxh5#
- 1...Bf8
- 2.Bxh5#
- 1...Ke4!
- 1...Ke2
- 1.Rd3?
- 1...Rxb1
- 2.Qxg2#
- 1...Bxd2
- 2.Bxh5#
- 1...Rc1
- 2.Qxg2#
- 1...Rd1
- 2.Qxg2#
- 1...Re1
- 2.Qxg2#
- 1...Rf1
- 2.Qxg2#
- 1...Rh1
- 2.Qxg2#
- 1...Bf1
- 2.Qf2#
- 1...Bh1
- 2.Qf2#
- 1...Bh3
- 2.Qf2#
- 1...Ba3
- 2.Bxh5#
- 1...Bc3
- 2.Bxh5#
- 1...Bc5
- 2.Bxh5#
- 1...Bd6
- 2.Bxh5#
- 1...Be7
- 2.Bxh5#
- 1...Bf8
- 2.Bxh5#
- 1...Ke2!
- 1...Rxb1
- 1.Rxb4?
- threat
- 2.Bxh5#
- 1...Ke2
- 2.Bxh5#
- 1...Bh3
- 2.Sd1#
- 2.Sf1#
- 2.Sc2#
- 2.Sg4#
- 2.Sd5#
- 2.Sf5#
- 2.Be4#
- 2.Rf4#
- 2.Qf2#
- 1...axb4!
- threat
- 1.Qxg1?
- threat
- 2.Qf2#
- 2.Qxg2#
- 1...Ke2
- 2.Qf2#
- 2.Qd1#
- 2.Qxg2#
- 1...Bf1
- 2.Qf2#
- 1...Bh1
- 2.Qf2#
- 1...Bh3
- 2.Qf2#
- 1...Kxg3!
- threat
- 1.c7?
- 1...Rxb1
- 2.Qxg2#
- 1...Bxc3
- 2.Bxh5#
- 1...Ba3
- 2.Bxh5#
- 1...Rc1
- 2.Qxg2#
- 1...Rd1
- 2.Qxg2#
- 1...Re1
- 2.Qxg2#
- 1...Rf1
- 2.Qxg2#
- 1...Rh1
- 2.Qxg2#
- 1...Bf1
- 2.Qf2#
- 1...Bh1
- 2.Qf2#
- 1...Bh3
- 2.Qf2#
- 1...Bc5
- 2.Bxh5#
- 1...Bd6
- 2.Bxh5#
- 1...Be7
- 2.Bxh5#
- 1...Bf8
- 2.Bxh5#
- 1...Ke2+!
- 1...Rxb1
- 1.Ka6?
- Keys
- 1.Ka8!
- 1...Ke2
- 2.Bxh5#
- 1...Rxb1
- 2.Qxg2#
- 1...Bxc3
- 2.Bxh5#
- 1...Rc1
- 2.Qxg2#
- 1...Rd1
- 2.Qxg2#
- 1...Re1
- 2.Qxg2#
- 1...Rf1
- 2.Qxg2#
- 1...Rh1
- 2.Qxg2#
- 1...Bf1
- 2.Qf2#
- 1...Bh1
- 2.Qf2#
- 1...Bh3
- 2.Qf2#
- 1...Ba3
- 2.Bxh5#
- 1...Bc5
- 2.Bxh5#
- 1...Bd6
- 2.Bxh5#
- 1...Be7
- 2.Bxh5#
- 1...Bf8
- 2.Bxh5#
- 1...Ke2
- 1.Ka8!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(c);P_PINP(J),P_SPINB(b),S_FLIGHT::B(K),XP(f)
- R(a);N_GUARD,XS(A)::QAB1(C),XB(b)
- R(a);N_GUARD::QAB1(C),XB(b)
- B(b);OGATE::QAR1(C)
- B(d);::B(K),XP(f)
- B(d);XR(E)::B(K),XP(f)
- Tries
- Try
- K(L);S_FLIGHT
- Vars
- K(c);P_SPINB(b),S_FLIGHT::B(K),XP(f)
- R(a);N_GUARD,XS(A)::QAB1(C),XB(b)
- B(d);XR(E)::B(K),XP(f)
- R(a);N_GUARD::QAB1(C),XB(b)
- B(b);OGATE::QAR1(C)
- B(d);::B(K),XP(f)
- Refutation
- B(b);CHECK
- Try
- K(L);P-FLIGHT
- Vars
- K(c);P_SPINB(b),S_FLIGHT::B(K),XP(f)
- R(a);N_GUARD,XS(A)::QAB1(C),XB(b)
- B(d);XR(E)::B(K),XP(f)
- R(a);N_GUARD::QAB1(C),XB(b)
- B(b);OGATE::QAR1(C)
- B(d);::B(K),XP(f)
- Refutation
- B(d);CHECK
- Try
- K(L);P-FLIGHT
- Vars
- K(c);P_SPINB(b),S_FLIGHT::B(K),XP(f)
- R(a);N_GUARD,XS(A)::QAB1(C),XB(b)
- B(d);XR(E)::B(K),XP(f)
- R(a);N_GUARD::QAB1(C),XB(b)
- B(b);OGATE::QAR1(C)
- B(d);::B(K),XP(f)
- Refutation
- B(d);CHECK
- Try
- K(L);P-FLIGHT
- Vars
- K(c);P_SPINB(b),S_FLIGHT::B(K),XP(f)
- R(a);N_GUARD,XS(A)::QAB1(C),XB(b)
- B(d);XR(E)::B(K),XP(f)
- R(a);N_GUARD::QAB1(C),XB(b)
- B(b);OGATE::QAR1(C)
- B(d);::B(K),XP(f)
- Refutation
- B(d);CHECK
- Try
- K(L);P-FLIGHT
- Vars
- K(c);P_SPINB(b),S_FLIGHT::B(K),XP(f)
- R(a);N_GUARD,XS(A)::QAB1(C),XB(b)
- B(d);XR(E)::B(K),XP(f)
- R(a);N_GUARD::QAB1(C),XB(b)
- B(b);OGATE::QAR1(C)
- B(d);::B(K),XP(f)
- Refutation
- B(d);CHECK
- Try
- K(L);S_FLIGHT
- Vars
- K(c);P_SPINB(b),S_FLIGHT::B(K),XP(f)
- R(a);N_GUARD,XS(A)::QAB1(C),XB(b)
- B(d);XR(E)::B(K),XP(f)
- R(a);N_GUARD::QAB1(C),XB(b)
- B(b);OGATE::QAR1(C)
- B(d);::B(K),XP(f)
- Refutation
- B(b);CHECK
- Try
- S(A);
- Vars
- B(d);XS(A)::B(K),XP(f)
- B(d);XR(E)::B(K),XP(f)
- R(a);N_GUARD::QAB1(C),XB(b)
- B(b);OGATE::QAR1(C)
- B(d);::B(K),XP(f)
- Refutation
- K(c);P_PINP(J),P_SPINB(b),S_FLIGHT
- Try
- S(F);CHECK
- Vars
- K(c);P_PINP(J),P_SPINB(d),S_FLIGHT::S(F)
- B(d);XR(E)::B(K),XP(f)
- Refutation
- K(c);P_PINP(J),P_SPINB(b),S_FLIGHT
- Try
- S(F);CHECK
- Vars
- K(c);P_SPINB(d),S_FLIGHT::S(F)
- B(d);XR(E)::B(K),XP(f)
- Refutation
- K(c);P_SPINB(b),S_FLIGHT
- Try
- B(K);
- Vars
- R(a);N_GUARD,XS(A)::QAB1(C),XB(b)
- B(d);OGATE,XR(E)::R1(H)
- R(a);N_GUARD::QAB1(C),XB(b)
- B(b);OGATE::QAR1(C)
- B(d);OGATE::R1(H)
- Refutation
- B(d);
- Try
- B(K);
- Vars
- K(c);P_PINP(J),P_SPINB(b),S_FLIGHT::B(K),XP(f)
- R(a);N_GUARD,XS(A)::QAB1(C),XB(b)
- B(d);XR(E)::B(K),XP(f)
- R(a);N_GUARD::QAB1(C),XB(b)
- B(b);::B(K)
- B(d);::B(K),XP(f)
- Refutation
- K(c);P_SPINB(d),S_FLIGHT
- Try
- R(E);
- Vars
- R(a);N_GUARD,XS(A)::QAB1(C),XB(b)
- B(d);XP(B)::B(K),XP(f)
- R(a);N_GUARD::QAB1(C),XB(b)
- B(b);OGATE::QAR1(C)
- B(d);::B(K),XP(f)
- Refutation
- K(c);P_PINP(J),P_SPINB(b),S_FLIGHT
- Try
- R(H);XB(d)
- Threat
- B(K),XP(f)
- Vars
- K(c);P_PINP(J),P_SPINB(b),S_FLIGHT::B(K),XP(f)
- Refutation
- P(e);XR(H)
- Try
- Q(C);XR(a)
- Threat
- DUALS(2)
- Vars
- B(b);::QAR1(C)
- Refutation
- K(c);P-FLIGHT,P_PINP(J),P_SPINB(b),XB(G)
- Try
- P(J);
- Vars
- R(a);N_GUARD,XS(A)::QAB1(C),XB(b)
- B(d);XR(E)::B(K),XP(f)
- B(d);::B(K),XP(f)
- R(a);N_GUARD::QAB1(C),XB(b)
- B(b);OGATE::QAR1(C)
- Refutation
- K(c);CHECK,P_SPINB(b),S_FLIGHT
- Try
- Actual
- K(L);S_FLIGHT
- Vars
- K(c);P_PINP(J),P_SPINB(b),S_FLIGHT::B(K),XP(f)
- R(a);N_GUARD,XS(A)::QAB1(C),XB(b)
- B(d);XR(E)::B(K),XP(f)
- R(a);N_GUARD::QAB1(C),XB(b)
- B(b);OGATE::QAR1(C)
- B(d);::B(K),XP(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).