MESON Chess Problem Database
Problem Display
PID: 109156 (5K2/2pR1B1p/2r4P/1n6/Nnp1k1N1/2P5/8/5Q2 w - - 0 1)
Pedersen, Jens Otto
DSK 24. TT, 1943
#2
8 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rc5
- 2.Sxc5#
- 1...Ra6
- 2.Sc5#
- 1...Rb6
- 2.Sc5#
- 1...Rd6
- 2.Sc5#
- 1...Re6
- 2.Sc5#
- 1...Rf6
- 2.Sc5#
- 1...Rg6
- 2.Sc5#
- 1...Rxh6
- 2.Sc5#
- 1...Sa2
- 2.Bd5#
- 1...Sc2
- 2.Bd5#
- 1...Sd3
- 2.Bd5#
- 1...Sd5
- 2.Bxd5#
- 1...Sa6
- 2.Bd5#
- 1...Sa3
- 2.Rd4#
- 1...Sxc3
- 2.Sxc3#
- 1...Sd4
- 2.Rxd4#
- 1...Sd6
- 2.Re7#
- 1...Sa7
- 2.Rd4#
- 1...Rc5
- Tries
- 1.Kg7?
- 1...Rxh6
- 2.Sc5#
- 1...Sxc3
- 2.Sxc3#
- 1...Rc5
- 2.Sxc5#
- 1...Ra6
- 2.Sc5#
- 1...Rb6
- 2.Sc5#
- 1...Rd6
- 2.Sc5#
- 1...Re6
- 2.Sc5#
- 1...Rf6
- 2.Sc5#
- 1...Sa2
- 2.Bd5#
- 1...Sc2
- 2.Bd5#
- 1...Sd3
- 2.Bd5#
- 1...Sd5
- 2.Bxd5#
- 1...Sa6
- 2.Bd5#
- 1...Sa3
- 2.Rd4#
- 1...Sd4
- 2.Rxd4#
- 1...Sd6
- 2.Re7#
- 1...Sa7
- 2.Rd4#
- 1...Rg6+!
- 1...Rxh6
- 1.Kg8?
- 1...Rxh6
- 2.Sc5#
- 1...Sxc3
- 2.Sxc3#
- 1...Rc5
- 2.Sxc5#
- 1...Ra6
- 2.Sc5#
- 1...Rb6
- 2.Sc5#
- 1...Rd6
- 2.Sc5#
- 1...Re6
- 2.Sc5#
- 1...Rf6
- 2.Sc5#
- 1...Sa2
- 2.Bd5#
- 1...Sc2
- 2.Bd5#
- 1...Sd3
- 2.Bd5#
- 1...Sd5
- 2.Bxd5#
- 1...Sa6
- 2.Bd5#
- 1...Sa3
- 2.Rd4#
- 1...Sd4
- 2.Rxd4#
- 1...Sd6
- 2.Re7#
- 1...Sa7
- 2.Rd4#
- 1...Rg6+!
- 1...Rxh6
- 1.Be6?
- threat
- 2.Bf5#
- 2.Qf5#
- 1...Rxe6
- 2.Sc5#
- 1...Rc5
- 2.Sxc5#
- 1...Rd6
- 2.Sc5#
- 2.Qf5#
- 1...Sd4
- 2.Rxd4#
- 1...Sd6!
- threat
- 1.Bg6+?
- 1...Rxg6
- 2.Sc5#
- 1...hxg6!
- 1...Rxg6
- 1.Bg8?
- 1...Rxh6
- 2.Sc5#
- 1...Sxc3
- 2.Sxc3#
- 1...Sd6
- 2.Re7#
- 1...Rc5
- 2.Sxc5#
- 1...Ra6
- 2.Sc5#
- 1...Rb6
- 2.Sc5#
- 1...Rd6
- 2.Sc5#
- 1...Re6
- 2.Sc5#
- 1...Rg6
- 2.Sc5#
- 1...Sa2
- 2.Bd5#
- 1...Sc2
- 2.Bd5#
- 1...Sd3
- 2.Bd5#
- 1...Sd5
- 2.Bxd5#
- 1...Sa6
- 2.Bd5#
- 1...Sa3
- 2.Rd4#
- 1...Sd4
- 2.Rxd4#
- 1...Sa7
- 2.Rd4#
- 1...Rf6+!
- 1...Rxh6
- 1.Rd1?
- threat
- 2.Re1#
- 1...Sxc3
- 2.Sxc3#
- 1...Re6
- 2.Sc5#
- 1...Sc2
- 2.Bd5#
- 1...Sd5
- 2.Bxd5#
- 1...Sd4
- 2.Rxd4#
- 1...Sd3!
- threat
- 1.Rd5?
- threat
- 2.Re5#
- 2.Qf5#
- 1...Sxc3
- 2.Sxc3#
- 2.Qf5#
- 1...Re6
- 2.Qf5#
- 1...Sd6
- 2.Rd4#
- 2.Re5#
- 1...Rc5
- 2.Sxc5#
- 2.Qf5#
- 1...Rf6
- 2.Sc5#
- 2.Re5#
- 1...Sd3
- 2.Qf5#
- 1...Sd4
- 2.Rxd4#
- 2.Re5#
- 1...Sxd5!
- threat
- 1.Rd8?
- 1...Rxh6
- 2.Sc5#
- 1...Sxc3
- 2.Sxc3#
- 1...Rc5
- 2.Sxc5#
- 1...Ra6
- 2.Sc5#
- 1...Rb6
- 2.Sc5#
- 1...Rd6
- 2.Sc5#
- 1...Re6
- 2.Sc5#
- 1...Rf6
- 2.Sc5#
- 1...Rg6
- 2.Sc5#
- 1...Sa2
- 2.Bd5#
- 1...Sc2
- 2.Bd5#
- 1...Sd3
- 2.Bd5#
- 1...Sd5
- 2.Bxd5#
- 1...Sa6
- 2.Bd5#
- 1...Sa3
- 2.Rd4#
- 1...Sd4
- 2.Rxd4#
- 1...Sa7
- 2.Rd4#
- 1...Sd6!
- 1...Rxh6
- 1.Kg7?
- Keys
- 1.Rd2!
- 1...Rxh6
- 2.Sc5#
- 1...Sxc3
- 2.Sxc3#
- 1...Sd6
- 2.Rd4#
- 1...Rc5
- 2.Sxc5#
- 1...Ra6
- 2.Sc5#
- 1...Rb6
- 2.Sc5#
- 1...Rd6
- 2.Sc5#
- 1...Re6
- 2.Sc5#
- 1...Rf6
- 2.Sc5#
- 1...Rg6
- 2.Sc5#
- 1...Sa2
- 2.Bd5#
- 1...Sc2
- 2.Bd5#
- 1...Sd3
- 2.Re2#
- 1...Sd5
- 2.Bxd5#
- 1...Sa6
- 2.Bd5#
- 1...Sa3
- 2.Rd4#
- 1...Sd4
- 2.Rxd4#
- 1...Sa7
- 2.Rd4#
- 1...Rxh6
- 1.Rd2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(e);N_GUARD::S(C),XR(e)
- R(e);N_GUARD::S(C)
- R(e);N_GUARD,P_PINB(G)::S(C)
- R(e);N_GUARD,XP(E)::S(C)
- S(a);N_GUARD::B(G)
- S(a);N_GUARD::B(G),XS(a)
- S(d);N_GUARD::R1(F)
- S(d);XP(B)::S(C),XS(d)
- S(d);N_GUARD::R1(F),XS(d)
- S(d);S_CUTR(e)::R(F)
- Tries
- Try
- K(H);S_FLIGHT
- Vars
- R(e);N_GUARD,XP(E)::S(C)
- S(d);XP(B)::S(C),XS(d)
- R(e);N_GUARD::S(C),XR(e)
- R(e);N_GUARD::S(C)
- S(a);N_GUARD::B(G)
- S(a);N_GUARD::B(G),XS(a)
- S(d);N_GUARD::R1(F)
- S(d);N_GUARD::R1(F),XS(d)
- S(d);S_CUTR(e)::R(F)
- Refutation
- R(e);CHECK
- Try
- K(H);P-FLIGHT
- Vars
- R(e);N_GUARD,XP(E)::S(C)
- S(d);XP(B)::S(C),XS(d)
- R(e);N_GUARD::S(C),XR(e)
- R(e);N_GUARD::S(C)
- S(a);N_GUARD::B(G)
- S(a);N_GUARD::B(G),XS(a)
- S(d);N_GUARD::R1(F)
- S(d);N_GUARD::R1(F),XS(d)
- S(d);S_CUTR(e)::R(F)
- Refutation
- R(e);CHECK
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- R(e);N_GUARD,XB(G)::S(C)
- R(e);N_GUARD::S(C),XR(e)
- S(d);N_GUARD::R1(F),XS(d)
- Refutation
- S(d);
- Try
- B(G);CHECK
- Vars
- R(e);XB(G)::S(C)
- Refutation
- P(g);XB(G)
- Try
- B(G);
- Vars
- R(e);N_GUARD,XP(E)::S(C)
- S(d);XP(B)::S(C),XS(d)
- S(d);S_CUTR(e)::R(F)
- R(e);N_GUARD::S(C),XR(e)
- R(e);N_GUARD::S(C)
- S(a);N_GUARD::B(G)
- S(a);N_GUARD::B(G),XS(a)
- S(d);N_GUARD::R1(F)
- S(d);N_GUARD::R1(F),XS(d)
- Refutation
- R(e);CHECK
- Try
- R(F);
- Threat
- R(F)
- Vars
- S(d);XP(B)::S(C),XS(d)
- R(e);N_GUARD::S(C)
- S(a);N_GUARD::B(G)
- S(a);N_GUARD::B(G),XS(a)
- S(d);N_GUARD::R1(F),XS(d)
- Refutation
- S(a);
- Try
- R(F);
- Threat
- DUALS(2)
- Vars
- R(e);::QAB1(A)
- S(a);::QAB1(A)
- Refutation
- S(a);XR(F)
- Try
- R(F);
- Vars
- R(e);N_GUARD,XP(E)::S(C)
- S(d);XP(B)::S(C),XS(d)
- R(e);N_GUARD::S(C),XR(e)
- R(e);N_GUARD::S(C)
- R(e);N_GUARD,P_PINB(G)::S(C)
- S(a);N_GUARD::B(G)
- S(a);N_GUARD::B(G),XS(a)
- S(d);N_GUARD::R1(F)
- S(d);N_GUARD::R1(F),XS(d)
- Refutation
- S(d);
- Try
- Actual
- R(F);
- Vars
- R(e);N_GUARD,XP(E)::S(C)
- S(d);XP(B)::S(C),XS(d)
- S(d);N_GUARD::R1(F)
- R(e);N_GUARD::S(C),XR(e)
- R(e);N_GUARD::S(C)
- R(e);N_GUARD,P_PINB(G)::S(C)
- S(a);N_GUARD::B(G)
- S(a);SBLOCK::R(F)
- S(a);N_GUARD::B(G),XS(a)
- S(d);N_GUARD::R1(F),XS(d)
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