MESON Chess Problem Database
Problem Display
PID: 188634 (8/1p4N1/1r2RK2/n4R2/nB1k4/3P4/1bP3B1/3N1r2 w - - 0 1)
Kozdon, Baldur
Deutsche Schachblatter, 1964
#2
9 + 7
| 328 | Schweizerische Schachzeitung | 1969 |
SOLUTION
- SOUND
- Sets
- 1...Rxd1
- 2.Rf4#
- 2.Rd5#
- 1...Re1
- 2.Rd5#
- 1...Rg1
- 2.Rf4#
- 2.Rd5#
- 1...Rh1
- 2.Rf4#
- 2.Rd5#
- 1...Rf4
- 2.Rxf4#
- 1...Rxf5+
- 2.Sxf5#
- 1...Rxb4
- 2.Re4#
- 2.Rd6#
- 1...Rb5
- 2.Re4#
- 1...Rd6
- 2.Rxd6#
- 1...Rxe6+
- 2.Sxe6#
- 1...Sc3
- 2.Bc5#
- 1...Sc5
- 2.Bxc5#
- 1...Sc6
- 2.Re4#
- 2.Rd6#
- 1...Rxd1
- Tries
- 1.Kg5?
- threat
- 2.Rd5#
- 2.Re4#
- 1...Rxf5+
- 2.Sxf5#
- 1...Rxe6
- 2.Sxe6#
- 2.Rd5#
- 1...Re1
- 2.Rd5#
- 1...Rf3
- 2.Re4#
- 1...Rf4
- 2.Rxf4#
- 2.Rd5#
- 1...Rb5
- 2.Re4#
- 1...Rd6
- 2.Re4#
- 2.Rxd6#
- 1...Sc3
- 2.Bc5#
- 1...Sc5
- 2.Bxc5#
- 2.Rd5#
- 1...Bc1+!
- threat
- 1.Kg6?
- threat
- 2.Rd5#
- 1...Rxe6+
- 2.Sxe6#
- 1...Rxf5
- 2.Sxf5#
- 1...Rb5
- 2.Re4#
- 1...Rd6
- 2.Rxd6#
- 1...Sc3
- 2.Bc5#
- 1...Rf3!
- threat
- 1.Ke7?
- threat
- 2.Rd5#
- 2.Re4#
- 1...Rxe6+
- 2.Sxe6#
- 1...Rxf5
- 2.Sxf5#
- 1...Re1
- 2.Rd5#
- 1...Rf3
- 2.Re4#
- 1...Rf4
- 2.Rxf4#
- 2.Rd5#
- 1...Rb5
- 2.Re4#
- 1...Rd6
- 2.Re4#
- 2.Rxd6#
- 1...Sc3
- 2.Bc5#
- 1...Sc5
- 2.Bxc5#
- 2.Rd5#
- 1...Sc6+!
- threat
- 1.Bf3?
- threat
- 2.Rf4#
- 2.Rd5#
- 1...Rxe6+
- 2.Sxe6#
- 1...Rxb4
- 2.Rd5#
- 2.Re4#
- 2.Rd6#
- 1...Re1
- 2.Rd5#
- 1...Rb5
- 2.Rf4#
- 2.Re4#
- 1...Rd6
- 2.Rf4#
- 2.Rxd6#
- 1...Bc1
- 2.Rd5#
- 1...Sc3
- 2.Bc5#
- 1...Sc5
- 2.Bxc5#
- 2.Rd5#
- 1...Rxf3!
- threat
- 1.Bc6?
- threat
- 2.Re4#
- 2.Rd6#
- 1...Rxf5+
- 2.Sxf5#
- 1...Rxd1
- 2.Rf4#
- 2.Rd5#
- 2.Re4#
- 1...Re1
- 2.Rd5#
- 2.Rd6#
- 1...Rf4
- 2.Rxf4#
- 2.Rd6#
- 1...Rb5
- 2.Re4#
- 1...Sc3
- 2.Bc5#
- 1...Sc5
- 2.Bxc5#
- 2.Rd6#
- 1...Sc4
- 2.Re4#
- 1...Rxc6!
- threat
- 1.Bd6?
- threat
- 2.Re4#
- 1...Rxf5+
- 2.Sxf5#
- 1...Rxd6
- 2.Rxd6#
- 1...Re1
- 2.Rd5#
- 1...Rf4
- 2.Rxf4#
- 1...Sc3
- 2.Bc5#
- 1...Sc5
- 2.Bxc5#
- 2.Be5#
- 1...Rxd1!
- threat
- 1.Rxf1?
- threat
- 2.Sf5#
- 2.Rf4#
- 1...Rxe6+
- 2.Sxe6#
- 1...Rb5
- 2.Rf4#
- 1...Bc1
- 2.Sf5#
- 1...Sc3
- 2.Sf5#
- 1...Sc5
- 2.Sf5#
- 1...Rxb4!
- threat
- 1.Rxb6?
- threat
- 2.Se6#
- 2.Rd6#
- 1...Rxf5+
- 2.Sxf5#
- 1...Sxb6
- 2.Se6#
- 2.Bc5#
- 1...Re1
- 2.Rd5#
- 2.Rd6#
- 1...Sc3
- 2.Se6#
- 2.Bc5#
- 1...Sc5
- 2.Bxc5#
- 2.Rd6#
- 1...Sc4
- 2.Se6#
- 1...Sc6
- 2.Se6#
- 1...Rxd1!
- threat
- 1.Kg5?
- Keys
- 1.Kf7!
- threat
- 2.Re4#
- 1...Rxf5+
- 2.Sxf5#
- 1...Rxe6
- 2.Sxe6#
- 1...Re1
- 2.Rd5#
- 1...Rf4
- 2.Rxf4#
- 1...Sc3
- 2.Bc5#
- 1...Sc5
- 2.Bxc5#
- threat
- 1.Kf7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 2
- Sets
- R(a);N_PINR(F),P_PINR(G)::R1(F)
- R(a);N_GUARD::R(F),XR(a)
- R(a);CHECK,P_PINR(G),XR(F)::S(I),XR(a)
- R(f);OGATE::R1(G)
- R(f);N_GUARD::R(G),XR(f)
- R(f);CHECK,XR(G)::S(I),XR(f)
- S(c);N_GUARD::B(E)
- S(c);N_GUARD::B(E),XS(c)
- Tries
- Try
- K(H);N_SPINR(F),S_FLIGHT
- Threat
- DUALS(2)
- Vars
- R(a);CHECK,XR(F)::S(I),XR(a)
- R(a);::R1(F)
- R(a);::R1(G)
- R(f);P_PINR(F)::R1(G)
- S(c);N_GUARD::B(E)
- Refutation
- B(b);CHECK
- Try
- K(H);N_SPINR(F),P-FLIGHT,P_SPINR(G)
- Threat
- R1(F)
- Vars
- R(f);CHECK,XR(G)::S(I),XR(f)
- R(a);XR(F)::S(I),XR(a)
- R(f);N_PINR(G)::R1(G)
- R(f);N_GUARD::R(G),XR(f)
- S(c);N_GUARD::B(E)
- Refutation
- R(a);
- Try
- K(H);N_SPINR(F),S_FLIGHT
- Threat
- DUALS(2)
- Vars
- R(f);CHECK,XR(G)::S(I),XR(f)
- R(a);XR(F)::S(I),XR(a)
- R(a);P_PINR(G)::R1(F)
- R(a);::R1(G)
- R(f);::R1(G)
- S(c);N_GUARD::B(E)
- Refutation
- S(e);CHECK
- Try
- B(C);N_SPINR(F),P_SPINR(G)
- Threat
- DUALS(2)
- Vars
- R(f);CHECK,XR(G)::S(I),XR(f)
- R(a);::R1(F)
- B(b);::R1(F)
- S(c);N_GUARD::B(E)
- Refutation
- R(a);N_PINR(G),P_PINR(F),XB(C)
- Try
- B(C);
- Threat
- DUALS(2)
- Vars
- R(a);CHECK,XR(F)::S(I),XR(a)
- R(f);::R1(G)
- S(c);N_GUARD::B(E)
- S(e);::R1(G)
- Refutation
- R(f);XB(C)
- Try
- B(E);
- Threat
- R1(G)
- Vars
- R(a);CHECK,XR(F)::S(I),XR(a)
- R(f);OGATE,XB(E)::R(G),XR(f)
- R(a);N_PINR(F)::R1(F)
- R(a);N_GUARD::R(F),XR(a)
- S(c);N_GUARD::B(E)
- Refutation
- R(a);N_PINR(F),XS(A)
- Try
- R(F);N_SPINR(F),P_SPINR(G),XR(a)
- Threat
- DUALS(2)
- Vars
- R(f);CHECK,XR(G)::S(I),XR(f)
- R(f);N_PINR(G)::R(F)
- B(b);::S(I)
- S(c);::S(I)
- Refutation
- R(f);N_PINR(G),XB(E)
- Try
- R(G);XR(f)
- Threat
- DUALS(2)
- Vars
- R(a);CHECK,XR(F)::S(I),XR(a)
- S(e);::S(I)
- Refutation
- R(a);N_PINR(F),XS(A)
- Try
- Actual
- K(H);P-FLIGHT
- Threat
- R1(G)
- Vars
- R(a);CHECK,XR(F)::S(I),XR(a)
- R(f);XR(G)::S(I),XR(f)
- R(a);N_PINR(F)::R1(F)
- R(a);N_GUARD::R(F),XR(a)
- S(c);N_GUARD::B(E)
- S(c);N_GUARD::B(E),XS(c)
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