MESON Chess Problem Database
Problem Display
PID: 190254 (8/1pN5/1p3K2/1pkPP3/3p3R/1n1P4/1R2P3/1N1bB3 w - - 0 1)
Agostini, Valerio
Brunori, Gabriele
Best Problems, 2019
#2
10 + 7
SOLUTION
- SOUND
- Sets
- 1...Bc2
- 2.Rxc2#
- 1...Bxe2
- 2.Rc2#
- 1...Sa1
- 2.Bb4#
- 2.Rxb5#
- 1...Sc1
- 2.Bb4#
- 2.Rxb5#
- 1...Sd2
- 2.Rxb5#
- 1...Sa5
- 2.Bb4#
- 2.Rxb5#
- 1...Bc2
- Tries
- 1.Kf5?
- 1...Bxe2
- 2.Rc2#
- 1...Bc2
- 2.Rxc2#
- 1...Sa1
- 2.Bb4#
- 2.Rxb5#
- 1...Sc1
- 2.Bb4#
- 2.Rxb5#
- 1...Sd2
- 2.Rxb5#
- 1...Sa5
- 2.Bb4#
- 2.Rxb5#
- 1...b4!
- 1...Bxe2
- 1.Kg5?
- 1...Bxe2
- 2.Rc2#
- 1...Bc2
- 2.Rxc2#
- 1...Sa1
- 2.Bb4#
- 2.Rxb5#
- 1...Sc1
- 2.Bb4#
- 2.Rxb5#
- 1...Sd2
- 2.Rxb5#
- 1...Sa5
- 2.Bb4#
- 2.Rxb5#
- 1...b4!
- 1...Bxe2
- 1.Ke6?
- 1...Bxe2
- 2.Rc2#
- 1...Bc2
- 2.Rxc2#
- 1...Sa1
- 2.Bb4#
- 2.Rxb5#
- 1...Sc1
- 2.Bb4#
- 2.Rxb5#
- 1...Sd2
- 2.Rxb5#
- 1...Sa5
- 2.Bb4#
- 2.Rxb5#
- 1...b4!
- 1...Bxe2
- 1.Kg6?
- 1...Bxe2
- 2.Rc2#
- 1...Bc2
- 2.Rxc2#
- 1...Sa1
- 2.Bb4#
- 2.Rxb5#
- 1...Sc1
- 2.Bb4#
- 2.Rxb5#
- 1...Sd2
- 2.Rxb5#
- 1...Sa5
- 2.Bb4#
- 2.Rxb5#
- 1...b4!
- 1...Bxe2
- 1.Ke7?
- 1...Bxe2
- 2.Rc2#
- 1...Bc2
- 2.Rxc2#
- 1...Sa1
- 2.Bb4#
- 2.Rxb5#
- 1...Sc1
- 2.Bb4#
- 2.Rxb5#
- 1...Sd2
- 2.Rxb5#
- 1...Sa5
- 2.Bb4#
- 2.Rxb5#
- 1...b4!
- 1...Bxe2
- 1.Kf7?
- 1...Bxe2
- 2.Rc2#
- 1...Bc2
- 2.Rxc2#
- 1...Sa1
- 2.Bb4#
- 2.Rxb5#
- 1...Sc1
- 2.Bb4#
- 2.Rxb5#
- 1...Sd2
- 2.Rxb5#
- 1...Sa5
- 2.Bb4#
- 2.Rxb5#
- 1...b4!
- 1...Bxe2
- 1.Kg7?
- 1...Bxe2
- 2.Rc2#
- 1...Bc2
- 2.Rxc2#
- 1...Sa1
- 2.Bb4#
- 2.Rxb5#
- 1...Sc1
- 2.Bb4#
- 2.Rxb5#
- 1...Sd2
- 2.Rxb5#
- 1...Sa5
- 2.Bb4#
- 2.Rxb5#
- 1...b4!
- 1...Bxe2
- 1.Sd2?
- threat
- 2.Se4#
- 1...Sxd2
- 2.Rxb5#
- 1...Kb4!
- threat
- 1.Sa3?
- 1...Bxe2
- 2.Rc2#
- 1...Bc2
- 2.Rxc2#
- 1...Sa1
- 2.Bb4#
- 2.Rxb5#
- 1...Sc1
- 2.Bb4#
- 2.Rxb5#
- 1...Sd2
- 2.Rxb5#
- 1...Sa5
- 2.Bb4#
- 2.Rxb5#
- 1...b4!
- 1...Bxe2
- 1.Bd2?
- 1...Bxe2
- 2.Rc2#
- 1...Sxd2
- 2.Rxb5#
- 1...Bc2
- 2.Rxc2#
- 1...Sa1
- 2.Bb4#
- 2.Rxb5#
- 1...Sc1
- 2.Bb4#
- 2.Rxb5#
- 1...Sa5
- 2.Bb4#
- 2.Rxb5#
- 1...b4!
- 1...Bxe2
- 1.Rxb3?
- threat
- 2.Bb4#
- 2.Rxb5#
- 1...b4
- 2.Bxb4#
- 1...Bxb3!
- threat
- 1.Rh1?
- 1...Bxe2
- 2.Rc2#
- 1...Bc2
- 2.Rxc2#
- 1...Sa1
- 2.Bb4#
- 2.Rxb5#
- 1...Sc1
- 2.Bb4#
- 2.Rxb5#
- 1...Sd2
- 2.Rxb5#
- 1...Sa5
- 2.Bb4#
- 2.Rxb5#
- 1...b4!
- 1...Bxe2
- 1.Rh2?
- 1...Bxe2
- 2.Rc2#
- 1...Bc2
- 2.Rxc2#
- 1...Sa1
- 2.Bb4#
- 2.Rxb5#
- 1...Sc1
- 2.Bb4#
- 2.Rxb5#
- 1...Sd2
- 2.Rxb5#
- 1...Sa5
- 2.Bb4#
- 2.Rxb5#
- 1...b4!
- 1...Bxe2
- 1.Rh3?
- 1...Bxe2
- 2.Rc2#
- 1...Bc2
- 2.Rxc2#
- 1...Sa1
- 2.Bb4#
- 2.Rxb5#
- 1...Sc1
- 2.Bb4#
- 2.Rxb5#
- 1...Sd2
- 2.Rxb5#
- 1...Sa5
- 2.Bb4#
- 2.Rxb5#
- 1...b4!
- 1...Bxe2
- 1.Re4?
- 1...Bxe2
- 2.Rc2#
- 1...Bc2
- 2.Rxc2#
- 1...Sa1
- 2.Bb4#
- 2.Rxb5#
- 1...Sc1
- 2.Bb4#
- 2.Rxb5#
- 1...Sd2
- 2.Rxb5#
- 1...Sa5
- 2.Bb4#
- 2.Rxb5#
- 1...b4!
- 1...Bxe2
- 1.Rf4?
- 1...Bxe2
- 2.Rc2#
- 1...Bc2
- 2.Rxc2#
- 1...Sa1
- 2.Bb4#
- 2.Rxb5#
- 1...Sc1
- 2.Bb4#
- 2.Rxb5#
- 1...Sd2
- 2.Rxb5#
- 1...Sa5
- 2.Bb4#
- 2.Rxb5#
- 1...b4!
- 1...Bxe2
- 1.Rg4?
- 1...Bxe2
- 2.Rc2#
- 1...Bc2
- 2.Rxc2#
- 1...Sa1
- 2.Bb4#
- 2.Rxb5#
- 1...Sc1
- 2.Bb4#
- 2.Rxb5#
- 1...Sd2
- 2.Rxb5#
- 1...Sa5
- 2.Bb4#
- 2.Rxb5#
- 1...b4!
- 1...Bxe2
- 1.Rh5?
- 1...Bxe2
- 2.Rc2#
- 1...Bc2
- 2.Rxc2#
- 1...Sa1
- 2.Bb4#
- 2.Rxb5#
- 1...Sc1
- 2.Bb4#
- 2.Rxb5#
- 1...Sd2
- 2.Rxb5#
- 1...Sa5
- 2.Bb4#
- 2.Rxb5#
- 1...b4!
- 1...Bxe2
- 1.Rh6?
- 1...Bxe2
- 2.Rc2#
- 1...Bc2
- 2.Rxc2#
- 1...Sa1
- 2.Bb4#
- 2.Rxb5#
- 1...Sc1
- 2.Bb4#
- 2.Rxb5#
- 1...Sd2
- 2.Rxb5#
- 1...Sa5
- 2.Bb4#
- 2.Rxb5#
- 1...b4!
- 1...Bxe2
- 1.Rh7?
- 1...Bxe2
- 2.Rc2#
- 1...Bc2
- 2.Rxc2#
- 1...Sa1
- 2.Bb4#
- 2.Rxb5#
- 1...Sc1
- 2.Bb4#
- 2.Rxb5#
- 1...Sd2
- 2.Rxb5#
- 1...Sa5
- 2.Bb4#
- 2.Rxb5#
- 1...b4!
- 1...Bxe2
- 1.Rh8?
- 1...Bxe2
- 2.Rc2#
- 1...Bc2
- 2.Rxc2#
- 1...Sa1
- 2.Bb4#
- 2.Rxb5#
- 1...Sc1
- 2.Bb4#
- 2.Rxb5#
- 1...Sd2
- 2.Rxb5#
- 1...Sa5
- 2.Bb4#
- 2.Rxb5#
- 1...b4!
- 1...Bxe2
- 1.e3?
- 1...dxe3
- 2.Bb4#
- 1...Bc2
- 2.Rxc2#
- 1...Be2
- 2.Rc2#
- 1...Bf3
- 2.Rc2#
- 1...Bg4
- 2.Rc2#
- 1...Bh5
- 2.Rc2#
- 1...Sa1
- 2.Bb4#
- 2.Rxb5#
- 2.exd4#
- 1...Sc1
- 2.Bb4#
- 2.Rxb5#
- 2.exd4#
- 1...Sd2
- 2.Rxb5#
- 2.exd4#
- 1...Sa5
- 2.Bb4#
- 2.Rxb5#
- 2.exd4#
- 1...b4!
- 1...dxe3
- 1.e4?
- threat
- 2.Se6#
- 1...dxe4 ep
- 2.Bb4#
- 1...Bg4
- 2.Rc2#
- 1...b4!
- threat
- 1.Kf5?
- Keys
- 1.Rxd4!
- threat
- 2.Se6#
- 1...Kxd4
- 2.Bf2#
- 1...Sxd4
- 2.Bb4#
- 1...b4
- 2.Rc4#
- threat
- 1.Rxd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- B(a);N_GUARD::R(C),XB(a)
- B(a);N_GUARD,XP(D)::R(C)
- S(b);OGATE::R1(C),XP(d)
- Tries
- Try
- K(I);P-FLIGHT
- Vars
- B(a);N_GUARD,XP(D)::R(C)
- B(a);N_GUARD,P_PINP(E)::R(C),XB(a)
- S(b);OGATE::R1(C),XP(d)
- Refutation
- P(d);
- Try
- K(I);S_FLIGHT
- Vars
- B(a);N_GUARD,XP(D)::R(C)
- B(a);N_GUARD::R(C),XB(a)
- S(b);OGATE::R1(C),XP(d)
- Refutation
- P(d);
- Try
- K(I);P-FLIGHT
- Vars
- B(a);N_GUARD,XP(D)::R(C)
- B(a);N_GUARD::R(C),XB(a)
- S(b);OGATE::R1(C),XP(d)
- Refutation
- P(d);
- Try
- K(I);P-FLIGHT
- Vars
- B(a);N_GUARD,XP(D)::R(C)
- B(a);N_GUARD,P_PINP(E)::R(C),XB(a)
- S(b);OGATE::R1(C),XP(d)
- Refutation
- P(d);
- Try
- K(I);S_FLIGHT
- Vars
- B(a);N_GUARD,XP(D)::R(C)
- B(a);N_GUARD::R(C),XB(a)
- S(b);OGATE::R1(C),XP(d)
- Refutation
- P(d);
- Try
- K(I);P-FLIGHT
- Vars
- B(a);N_GUARD,XP(D)::R(C)
- B(a);N_GUARD::R(C),XB(a)
- S(b);OGATE::R1(C),XP(d)
- Refutation
- P(d);
- Try
- K(I);S_FLIGHT
- Vars
- B(a);N_GUARD,XP(D)::R(C)
- B(a);N_GUARD::R(C),XB(a)
- S(b);OGATE::R1(C),XP(d)
- Refutation
- P(d);
- Try
- S(A);
- Threat
- S(A)
- Vars
- S(b);OGATE,XS(A)::R1(C),XP(d)
- Refutation
- K(e);P_SPINP(c),P_SPINS(b),S_FLIGHT
- Try
- S(A);
- Vars
- B(a);N_GUARD,XP(D)::R(C)
- B(a);N_GUARD::R(C),XB(a)
- S(b);OGATE::R1(C),XP(d)
- Refutation
- P(d);
- Try
- B(B);
- Vars
- B(a);N_GUARD,XP(D)::R(C)
- S(b);OGATE,XB(B)::R1(C),XP(d)
- B(a);N_GUARD::R(C),XB(a)
- Refutation
- P(d);
- Try
- R(C);XS(b)
- Threat
- DUALS(2)
- Vars
- P(d);::B(B),XP(d)
- Refutation
- B(a);XR(C)
- Try
- R(F);
- Vars
- B(a);N_GUARD,XP(D)::R(C)
- B(a);N_GUARD::R(C),XB(a)
- S(b);OGATE::R1(C),XP(d)
- Refutation
- P(d);
- Try
- R(F);
- Vars
- B(a);N_GUARD,XP(D)::R(C)
- B(a);N_GUARD::R(C),XB(a)
- S(b);OGATE::R1(C),XP(d)
- Refutation
- P(d);
- Try
- R(F);
- Vars
- B(a);N_GUARD,XP(D)::R(C)
- B(a);N_GUARD::R(C),XB(a)
- S(b);OGATE::R1(C),XP(d)
- Refutation
- P(d);
- Try
- R(F);
- Vars
- B(a);N_GUARD,XP(D)::R(C)
- B(a);N_GUARD::R(C),XB(a)
- S(b);OGATE::R1(C),XP(d)
- Refutation
- P(d);
- Try
- R(F);
- Vars
- B(a);N_GUARD,XP(D)::R(C)
- B(a);N_GUARD::R(C),XB(a)
- S(b);OGATE::R1(C),XP(d)
- Refutation
- P(d);
- Try
- R(F);
- Vars
- B(a);N_GUARD,XP(D)::R(C)
- B(a);N_GUARD::R(C),XB(a)
- S(b);OGATE::R1(C),XP(d)
- Refutation
- P(d);
- Try
- R(F);
- Vars
- B(a);N_GUARD,XP(D)::R(C)
- B(a);N_GUARD::R(C),XB(a)
- S(b);OGATE::R1(C),XP(d)
- Refutation
- P(d);
- Try
- R(F);
- Vars
- B(a);N_GUARD,XP(D)::R(C)
- B(a);N_GUARD::R(C),XB(a)
- S(b);OGATE::R1(C),XP(d)
- Refutation
- P(d);
- Try
- R(F);
- Vars
- B(a);N_GUARD,XP(D)::R(C)
- B(a);N_GUARD::R(C),XB(a)
- S(b);OGATE::R1(C),XP(d)
- Refutation
- P(d);
- Try
- R(F);
- Vars
- B(a);N_GUARD,XP(D)::R(C)
- B(a);N_GUARD::R(C),XB(a)
- S(b);OGATE::R1(C),XP(d)
- Refutation
- P(d);
- Try
- P(D);
- Vars
- P(c);XP(D)::B(B)
- B(a);N_GUARD::R(C),XB(a)
- B(a);N_GUARD::R(C)
- Refutation
- P(d);
- Try
- P(D);
- Threat
- S(J)
- Vars
- P(c);EP,XP(D)::B(B)
- B(a);N_GUARD::R(C)
- Refutation
- P(d);
- Try
- Actual
- R(F);XP(c)
- Threat
- S(J)
- Vars
- K(e);OGATEB,S_FLIGHT,XR(F)::B(B)
- S(b);SBLOCK,XR(F)::B(B)
- P(d);N_GUARD::R1(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).