MESON Chess Problem Database
Problem Display
PID: 137361 (1B5n/5ppB/1K1Q2r1/5k2/1R1n1N1R/4P2N/p5P1/q2b1rb1 w - - 0 1)
Ellerman, Arnoldo
Musante, Horacio Luis
Caissa, 1946
#2
10 + 11
SOLUTION
- SOUND
- Sets
- 1...Rxf4
- 2.Rxf4#
- 1...Se2
- 2.g4#
- 1...Sf3
- 2.g4#
- 1...f6
- 2.Qd5#
- 1...Rxf4
- Tries
- 1.Se2?
- threat
- 2.Sg3#
- 2.e4#
- 1...Bxe2
- 2.e4#
- 1...Bxe3
- 2.Sg3#
- 1...Sxe2
- 2.Rh5#
- 2.g4#
- 1...Rf4
- 2.Sg3#
- 2.Rxf4#
- 1...Qb1
- 2.Sg3#
- 2.Sxd4#
- 1...Rf3
- 2.e4#
- 1...Bc2
- 2.Sg3#
- 1...Bf2
- 2.Rf4#
- 2.e4#
- 1...Bh2
- 2.e4#
- 1...Sc2
- 2.Sg3#
- 2.Rh5#
- 2.g4#
- 1...Sb3
- 2.Sg3#
- 2.Rh5#
- 2.g4#
- 1...Sf3
- 2.Sg3#
- 2.Rbf4#
- 2.Rhf4#
- 2.g4#
- 1...Sb5
- 2.Sg3#
- 2.Rh5#
- 2.g4#
- 1...Sc6
- 2.Sg3#
- 2.Rh5#
- 2.g4#
- 1...Se6!
- threat
- 1.Sxg6?
- threat
- 2.Se7#
- 2.Qe5#
- 2.e4#
- 1...Bxe3
- 2.Se7#
- 2.Qe5#
- 1...Sxg6
- 2.Qe5#
- 2.e4#
- 1...fxg6
- 2.Qe5#
- 2.e4#
- 1...Rf4
- 2.Se7#
- 2.Rxf4#
- 2.Qe5#
- 1...Bg4
- 2.Se7#
- 2.Qe5#
- 1...Qb1
- 2.Se7#
- 2.Qe5#
- 1...Re1
- 2.Se7#
- 2.Rf4#
- 2.Qe5#
- 1...Bc2
- 2.Se7#
- 2.Qe5#
- 1...Bf3
- 2.Se7#
- 2.Rf4#
- 2.Qe5#
- 1...Bh2
- 2.Se7#
- 2.e4#
- 1...Sc2
- 2.Se7#
- 1...Se2
- 2.Se7#
- 2.Rh5#
- 2.g4#
- 1...Sb3
- 2.Se7#
- 1...Sf3
- 2.Se7#
- 2.Rbf4#
- 2.Rhf4#
- 2.g4#
- 1...Sb5
- 2.Se7#
- 1...Sc6
- 2.Se7#
- 1...f6
- 2.Se7#
- 2.Qd5#
- 2.e4#
- 1...Se6!
- threat
- 1.Bxg6+?
- 1...fxg6
- 2.Qe5#
- 1...Sxg6!
- 1...fxg6
- 1.Rb5+?
- 1...Ke4
- 2.Re5#
- 1...Sxb5!
- 1...Ke4
- 1.Se2?
- Keys
- 1.Sh5!
- threat
- 2.Sg3#
- 2.Sxg7#
- 2.e4#
- 1...Bxh5
- 2.e4#
- 1...Bxe3
- 2.Sg3#
- 2.Sxg7#
- 1...Rf4
- 2.Sg3#
- 2.Rxf4#
- 1...Bg4
- 2.Sg3#
- 1...Se6
- 2.Qd3#
- 1...Qb1
- 2.Sg3#
- 2.Sxg7#
- 1...Re1
- 2.Sg3#
- 2.Sxg7#
- 2.Rf4#
- 1...Rf3
- 2.Sxg7#
- 2.e4#
- 1...Bc2
- 2.Sg3#
- 2.Sxg7#
- 1...Bf3
- 2.Sg3#
- 2.Sxg7#
- 2.Rf4#
- 1...Bf2
- 2.Sxg7#
- 2.Rf4#
- 2.e4#
- 1...Bh2
- 2.Sxg7#
- 2.e4#
- 1...Sc2
- 2.Sg3#
- 1...Se2
- 2.g4#
- 1...Sb3
- 2.Sg3#
- 1...Sf3
- 2.Sg3#
- 2.Rbf4#
- 2.Rhf4#
- 2.g4#
- 1...Sb5
- 2.Sg3#
- 1...Sc6
- 2.Sg3#
- 2.Qd7#
- threat
- 1.Sh5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 3
- Sets
- R(c);OGATE,XS(E)::R1(F),XR(c)
- S(f);P_PINP(B),S_CUTB(b)::P(A)
- P(i);N_PINQ(H),SBLOCK::QAR2(H)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- B(b);XS(E)::P(B)
- B(d);XP(B)::S(E)
- R(c);::P(B)
- B(b);::S(E)
- B(d);::P(B)
- Refutation
- S(f);N_PINQ(H),P_PINP(B)
- Try
- S(E);N_SPINQ(H),XR(h)
- Threat
- DUALS(3)
- Vars
- S(f);P_PINP(B)::B(I)+S(E),DCHECK
- Refutation
- S(f);P_PINP(B)
- Try
- B(I);CHECK,N_SPINQ(H),XR(h)
- Vars
- P(i);XB(I)::QAR1(H)
- Refutation
- S(k);XB(I)
- Try
- R(D);CHECK
- Vars
- K(g);S_FLIGHT::R1(D)
- Refutation
- S(f);P_PINP(B),XR(D)
- Try
- Actual
- S(E);
- Threat
- DUALS(3)
- Vars
- B(b);XS(E)::P(B)
- B(b);::S(E)
- S(f);N_PINQ(H),P_PINP(B),SBLOCK::QAB(H)
- S(f);P_PINP(B)::S(E)
- S(f);P_PINP(B),S_CUTB(b)::P(A)
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).