MESON Chess Problem Database
Problem Display
PID: 200634 (8/2r5/3R1p2/7N/3BkPB1/1N1p3K/3Pn3/4R3 w - - 0 1)
Ahues, Herbert Siegfried Oskar
Problemas, 1993
#2
9 + 5
SOLUTION
- SOUND
- Sets
- 1...Rc5
- 2.Sxc5#
- 1...Ra7
- 2.Sc5#
- 1...Rb7
- 2.Sc5#
- 1...Rd7
- 2.Sc5#
- 1...Re7
- 2.Sc5#
- 1...Rf7
- 2.Sc5#
- 1...Rg7
- 2.Sc5#
- 1...Rh7
- 2.Sc5#
- 1...Rc5
- Tries
- 1.Ba1?
- threat
- 2.Rd4#
- 1...Rd7
- 2.Sc5#
- 1...Rc4!
- threat
- 1.Bg1?
- threat
- 2.Rd4#
- 1...Rd7
- 2.Sc5#
- 1...Rc4!
- threat
- 1.Bb2?
- threat
- 2.Rd4#
- 1...Rd7
- 2.Sc5#
- 1...Rc4!
- threat
- 1.Bf2?
- threat
- 2.Rd4#
- 1...Rd7
- 2.Sc5#
- 1...Rc4!
- threat
- 1.Bc3?
- threat
- 2.Rd4#
- 1...Rd7
- 2.Sc5#
- 1...Rc4!
- threat
- 1.Be5?
- threat
- 2.Sg3#
- 2.Sxf6#
- 2.Rd4#
- 1...Rc4
- 2.Sg3#
- 2.Sxf6#
- 1...Rd7
- 2.Sc5#
- 2.Sg3#
- 2.Sxf6#
- 1...Rf7
- 2.Sc5#
- 2.Sg3#
- 2.Rd4#
- 1...Rh7
- 2.Sc5#
- 2.Rd4#
- 1...f5
- 2.Sg3#
- 2.Sf6#
- 2.Rd4#
- 1...fxe5!
- threat
- 1.Bb6?
- threat
- 2.Rd4#
- 1...Rd7
- 2.Sc5#
- 1...Rc4!
- threat
- 1.Bxf6?
- threat
- 2.Rd4#
- 1...Rd7
- 2.Sc5#
- 1...Rc4!
- threat
- 1.Ba7?
- threat
- 2.Rd4#
- 1...Rd7
- 2.Sc5#
- 1...Rc4!
- threat
- 1.Bf3+?
- 1...Kf5
- 2.Rxf6#
- 1...Kxf3!
- 1...Kf5
- 1.Bf5+?
- 1...Kf3
- 2.Rf1#
- 1...Kxf5!
- 1...Kf3
- 1.Rf1?
- threat
- 2.Sxf6#
- 1...Sxf4+
- 2.Rxf4#
- 1...Rf7
- 2.Sc5#
- 1...Rh7
- 2.Sc5#
- 1...f5
- 2.Sf6#
- 2.Bf3#
- 1...Sg1+!
- threat
- 1.Ba1?
- Keys
- 1.Be3!
- threat
- 2.Sxf6#
- 1...Sg1+
- 2.Bxg1#
- 1...Sxf4+
- 2.Bxf4#
- 1...Rf7
- 2.Sc5#
- 1...Rh7
- 2.Sc5#
- 1...f5
- 2.Sf6#
- threat
- 1.Be3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 6
- Sets
- R(e);N_GUARD::S(C),XR(e)
- R(e);N_GUARD::S(C)
- R(e);N_GUARD,P_PINS(H)::S(C)
- Tries
- Try
- B(E);
- Threat
- R1(I)
- Vars
- R(e);N_GUARD::S(C)
- Refutation
- R(e);
- Try
- B(E);
- Threat
- R1(I)
- Vars
- R(e);N_GUARD::S(C)
- Refutation
- R(e);
- Try
- B(E);
- Threat
- R1(I)
- Vars
- R(e);N_GUARD::S(C)
- Refutation
- R(e);
- Try
- B(E);
- Threat
- R1(I)
- Vars
- R(e);N_GUARD::S(C)
- Refutation
- R(e);
- Try
- B(E);
- Threat
- R1(I)
- Vars
- R(e);N_GUARD::S(C)
- Refutation
- R(e);
- Try
- B(E);
- Threat
- DUALS(3)
- Refutation
- P(d);XB(E)
- Try
- B(E);
- Threat
- R1(I)
- Vars
- R(e);N_GUARD::S(C)
- Refutation
- R(e);
- Try
- B(E);XP(d)
- Threat
- R1(I)
- Vars
- R(e);N_GUARD::S(C)
- Refutation
- R(e);
- Try
- B(E);
- Threat
- R1(I)
- Vars
- R(e);N_GUARD::S(C)
- Refutation
- R(e);
- Try
- B(G);CHECK
- Vars
- K(c);N_SPINS(a),S_FLIGHT::R1(I),XP(d)
- Refutation
- K(c);N_SPINS(a),S_FLIGHT,XB(G)
- Try
- B(G);CHECK
- Vars
- K(c);N_SPINS(a),S_FLIGHT::R(A)
- Refutation
- K(c);N_SPINS(a),S_FLIGHT,XB(G)
- Try
- R(A);N_PINS(a)
- Threat
- S(H),XP(d)
- Vars
- S(a);CHECK,OGATE,XP(F)::R1(A),XS(a)
- R(e);N_GUARD::S(C)
- R(e);N_GUARD,P_PINS(H)::S(C)
- Refutation
- S(a);CHECK
- Try
- Actual
- B(E);N_PINS(a)
- Threat
- S(H),XP(d)
- Vars
- S(a);CHECK,OGATEB::R(A)+B(E),XS(a)
- S(a);CHECK,OGATE,XP(F)::R(A)+B(E),XS(a)
- R(e);N_GUARD::S(C)
- R(e);N_GUARD,P_PINS(H)::S(C)
- P(d);::S(H)
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