MESON Chess Problem Database
Problem Display
PID: 53219 (6R1/K1R5/7k/8/6P1/2p4N/3b4/2B5 w - - 0 1)
Paparella, Vittorio
L'Italia Scacchistica, 1952
#2
6 + 3
| 268 | Chess Life | 1954 |
SOLUTION
- SOUND
- Sets
- 1...Be3+
- 2.Bxe3#
- 1...Bf4
- 2.Bxf4#
- 1...Bg5
- 2.Bxg5#
- 1...c2
- 2.Bxd2#
- 1...Be3+
- Tries
- 1.Ka6?
- 1...Be3
- 2.Bxe3#
- 1...Bf4
- 2.Bxf4#
- 1...Bg5
- 2.Bxg5#
- 1...c2
- 2.Bxd2#
- 1...Bxc1!
- 1...Be3
- 1.Kb6?
- 1...Be3+
- 2.Bxe3#
- 1...Bf4
- 2.Bxf4#
- 1...Bg5
- 2.Bxg5#
- 1...c2
- 2.Bxd2#
- 1...Bxc1!
- 1...Be3+
- 1.Kb7?
- 1...Be3
- 2.Bxe3#
- 1...Bf4
- 2.Bxf4#
- 1...Bg5
- 2.Bxg5#
- 1...c2
- 2.Bxd2#
- 1...Bxc1!
- 1...Be3
- 1.Ka8?
- 1...Be3
- 2.Bxe3#
- 1...Bf4
- 2.Bxf4#
- 1...Bg5
- 2.Bxg5#
- 1...c2
- 2.Bxd2#
- 1...Bxc1!
- 1...Be3
- 1.Kb8?
- 1...Be3
- 2.Bxe3#
- 1...Bf4
- 2.Bxf4#
- 1...Bg5
- 2.Bxg5#
- 1...c2
- 2.Bxd2#
- 1...Bxc1!
- 1...Be3
- 1.Sg1?
- 1...Be3+
- 2.Bxe3#
- 1...Bf4
- 2.Bxf4#
- 1...Bg5
- 2.Bxg5#
- 1...c2
- 2.Bxd2#
- 1...Bxc1!
- 1...Be3+
- 1.Sf2?
- 1...Be3+
- 2.Bxe3#
- 1...Bf4
- 2.Bxf4#
- 1...Bg5
- 2.Bxg5#
- 1...c2
- 2.Bxd2#
- 1...Bxc1!
- 1...Be3+
- 1.Sf4?
- threat
- 2.Rg6#
- 2.g5#
- 1...Bxf4
- 2.Bxf4#
- 1...Be3+!
- threat
- 1.Sg5?
- threat
- 2.Rc6#
- 2.Rh7#
- 1...Bxg5
- 2.Bxg5#
- 1...Bf4
- 2.Rh7#
- 1...Be3+!
- threat
- 1.Rb7?
- 1...Be3+
- 2.Bxe3#
- 1...Bf4
- 2.Bxf4#
- 1...Bg5
- 2.Bxg5#
- 1...c2
- 2.Bxd2#
- 1...Bxc1!
- 1...Be3+
- 1.Rd7?
- 1...Be3+
- 2.Bxe3#
- 1...Bf4
- 2.Bxf4#
- 1...Bg5
- 2.Bxg5#
- 1...c2
- 2.Bxd2#
- 1...Bxc1!
- 1...Be3+
- 1.Re7?
- 1...Be3+
- 2.Bxe3#
- 1...Bf4
- 2.Bxf4#
- 1...Bg5
- 2.Bxg5#
- 1...c2
- 2.Bxd2#
- 1...Bxc1!
- 1...Be3+
- 1.Rf7?
- 1...Be3+
- 2.Bxe3#
- 1...Bf4
- 2.Bxf4#
- 1...Bg5
- 2.Bxg5#
- 1...c2
- 2.Bxd2#
- 1...Bxc1!
- 1...Be3+
- 1.Rcg7?
- 1...Be3+
- 2.Bxe3#
- 1...Bf4
- 2.Bxf4#
- 1...Bg5
- 2.Bxg5#
- 1...c2
- 2.Bxd2#
- 1...Bxc1!
- 1...Be3+
- 1.Rgg7?
- 1...Be3+
- 2.Bxe3#
- 1...Bf4
- 2.Bxf4#
- 1...Bg5
- 2.Bxg5#
- 1...c2
- 2.Bxd2#
- 1...Bxc1!
- 1...Be3+
- 1.Rd8?
- threat
- 2.Rd6#
- 1...Kg6
- 2.Rd6#
- 1...Be3+!
- threat
- 1.Re8?
- threat
- 2.Re6#
- 1...Kg6
- 2.Re6#
- 1...Be3+!
- threat
- 1.Ka6?
- Keys
- 1.Rb8!
- threat
- 2.Rb6#
- 1...Kg6
- 2.Rb6#
- threat
- 1.Rb8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- B(a);CHECK,OGATE::B(A),XB(a)
- B(a);OGATE::B(A),XB(a)
- P(b);N_GUARD::B(A),XB(a)
- Tries
- Try
- K(D);P-FLIGHT
- Vars
- B(a);OGATE::B(A),XB(a)
- P(b);N_GUARD::B(A),XB(a)
- Refutation
- B(a);N_SPINB(a),XB(A)
- Try
- K(D);S_FLIGHT
- Vars
- B(a);CHECK,OGATE::B(A),XB(a)
- B(a);OGATE::B(A),XB(a)
- P(b);N_GUARD::B(A),XB(a)
- Refutation
- B(a);N_SPINB(a),XB(A)
- Try
- K(D);P-FLIGHT
- Vars
- B(a);OGATE::B(A),XB(a)
- P(b);N_GUARD::B(A),XB(a)
- Refutation
- B(a);N_SPINB(a),XB(A)
- Try
- K(D);P-FLIGHT
- Vars
- B(a);OGATE::B(A),XB(a)
- P(b);N_GUARD::B(A),XB(a)
- Refutation
- B(a);N_SPINB(a),XB(A)
- Try
- K(D);S_FLIGHT
- Vars
- B(a);OGATE::B(A),XB(a)
- B(a);OGATE,P_PINR(E)::B(A),XB(a)
- P(b);N_GUARD::B(A),XB(a)
- Refutation
- B(a);N_SPINB(a),XB(A)
- Try
- S(B);
- Vars
- B(a);CHECK,OGATE::B(A),XB(a)
- B(a);OGATE::B(A),XB(a)
- P(b);N_GUARD::B(A),XB(a)
- Refutation
- B(a);N_SPINB(a),XB(A)
- Try
- S(B);
- Vars
- B(a);CHECK,OGATE::B(A),XB(a)
- B(a);OGATE::B(A),XB(a)
- P(b);N_GUARD::B(A),XB(a)
- Refutation
- B(a);N_SPINB(a),XB(A)
- Try
- S(B);N_PINB(a)
- Threat
- DUALS(2)
- Vars
- B(a);OGATE,P_SPINB(a),XS(B)::B(A),XB(a)
- Refutation
- B(a);CHECK
- Try
- S(B);N_PINB(a)
- Threat
- DUALS(2)
- Vars
- B(a);OGATE,P_SPINB(a),XS(B)::B(A),XB(a)
- B(a);::R1(E)
- Refutation
- B(a);CHECK
- Try
- R(E);
- Vars
- B(a);CHECK,OGATE::B(A),XB(a)
- B(a);OGATE::B(A),XB(a)
- P(b);N_GUARD::B(A),XB(a)
- Refutation
- B(a);N_SPINB(a),XB(A)
- Try
- R(E);
- Vars
- B(a);CHECK,OGATE::B(A),XB(a)
- B(a);OGATE::B(A),XB(a)
- P(b);N_GUARD::B(A),XB(a)
- Refutation
- B(a);N_SPINB(a),XB(A)
- Try
- R(E);
- Vars
- B(a);CHECK,OGATE::B(A),XB(a)
- B(a);OGATE::B(A),XB(a)
- P(b);N_GUARD::B(A),XB(a)
- Refutation
- B(a);N_SPINB(a),XB(A)
- Try
- R(E);
- Vars
- B(a);CHECK,OGATE::B(A),XB(a)
- B(a);OGATE::B(A),XB(a)
- P(b);N_GUARD::B(A),XB(a)
- Refutation
- B(a);N_SPINB(a),XB(A)
- Try
- R(E);
- Vars
- B(a);CHECK,OGATE::B(A),XB(a)
- B(a);OGATE::B(A),XB(a)
- P(b);N_GUARD::B(A),XB(a)
- Refutation
- B(a);N_SPINB(a),XB(A)
- Try
- R(F);
- Vars
- B(a);CHECK,OGATE::B(A),XB(a)
- B(a);OGATE::B(A),XB(a)
- P(b);N_GUARD::B(A),XB(a)
- Refutation
- B(a);N_SPINB(a),XB(A)
- Try
- R(F);
- Threat
- R(F)
- Vars
- K(c);N_SPINB(a),P-FLIGHT::R(F)
- Refutation
- B(a);CHECK
- Try
- R(F);
- Threat
- R(F)
- Vars
- K(c);N_SPINB(a),P-FLIGHT::R(F)
- Refutation
- B(a);CHECK
- Try
- Actual
- R(F);
- Threat
- R(F)
- Vars
- K(c);N_SPINB(a),P-FLIGHT::R(F)
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