MESON Chess Problem Database
Problem Display
PID: 58184 (6B1/K1P5/NR2pB2/Np1kr3/1p1r2p1/1P1P1P2/4p2q/Q2R2b1 w - - 0 1)
Fasano, Alessandro
Torre & Cavallo - Scacco!, 2001
#2
12 + 10
SOLUTION
- SOUND
- Sets
- 1...Rc4
- 2.dxc4#
- 1...Rde4
- 2.dxe4#
- 1...Rf4
- 2.Qxe5#
- 1...Re3
- 2.Qxd4#
- 1...Ree4
- 2.dxe4#
- 1...Rf5
- 2.Bxe6#
- 1...Rg5
- 2.Bxe6#
- 1...Rh5
- 2.Bxe6#
- 1...Rc4
- Tries
- 1.Sc4?
- threat
- 2.Rd6#
- 1...Rxc4
- 2.dxc4#
- 1...bxc4
- 2.Qa5#
- 2.dxc4#
- 1...Rde4
- 2.dxe4#
- 1...Rf4
- 2.Qxe5#
- 1...Re3
- 2.Qxd4#
- 1...Ree4
- 2.dxe4#
- 1...Rf5
- 2.Bxe6#
- 1...Rg5
- 2.Bxe6#
- 1...Rh5
- 2.Bxe6#
- 1...Rxd3!
- threat
- 1.Be7?
- threat
- 2.Rxb5#
- 2.Rd6#
- 1...Rxd3
- 2.Sxb4#
- 1...Re3
- 2.Rxb5#
- 1...Ree4
- 2.Rxb5#
- 1...Rf5
- 2.Rxb5#
- 1...Rg5
- 2.Rxb5#
- 1...Rh5
- 2.Rxb5#
- 1...Rc4
- 2.dxc4#
- 1...Rde4
- 2.dxe4#
- 1...Rf4!
- threat
- 1.Qc3?
- threat
- 2.Qc5#
- 2.Qc6#
- 1...Rxd3
- 2.Sxb4#
- 1...Rc4
- 2.dxc4#
- 1...Rde4
- 2.dxe4#
- 1...Rf4
- 2.Qxe5#
- 1...bxc3!
- threat
- 1.c8Q?
- threat
- 2.Qb7#
- 2.Qd7#
- 2.Qc5#
- 2.Qc6#
- 2.Qa8#
- 2.Qd8#
- 1...Rxd3
- 2.Sxb4#
- 2.Qb7#
- 2.Qd7#
- 2.Qc6#
- 2.Qa8#
- 2.Qd8#
- 1...Rc4
- 2.Qd7#
- 2.Qd8#
- 2.dxc4#
- 1...Rde4
- 2.Qb7#
- 2.Qd7#
- 2.Qc6#
- 2.Qa8#
- 2.Qd8#
- 2.dxe4#
- 1...Rf4
- 2.Qxe5#
- 2.Qb7#
- 2.Qd7#
- 2.Qc6#
- 2.Qa8#
- 2.Qd8#
- 1...Re3
- 2.Qxd4#
- 2.Qb7#
- 2.Qc5#
- 2.Qc6#
- 2.Qa8#
- 1...Ree4
- 2.Qb7#
- 2.Qc5#
- 2.Qc6#
- 2.Qa8#
- 2.dxe4#
- 1...Rf5
- 2.Bxe6#
- 2.Qxe6#
- 2.Qb7#
- 2.Qc5#
- 2.Qc6#
- 2.Qa8#
- 1...Rg5
- 2.Bxe6#
- 2.Qxe6#
- 2.Qb7#
- 2.Qc5#
- 2.Qc6#
- 2.Qa8#
- 1...Rh5
- 2.Bxe6#
- 2.Qxe6#
- 2.Qb7#
- 2.Qc5#
- 2.Qc6#
- 2.Qa8#
- 1...Qh7+!
- threat
- 1.c8S?
- threat
- 2.Se7#
- 2.Rxb5#
- 2.Rd6#
- 1...Rxd3
- 2.Se7#
- 1...Rc4
- 2.Se7#
- 2.dxc4#
- 1...Rde4
- 2.Se7#
- 2.dxe4#
- 1...Rf4
- 2.Se7#
- 2.Qxe5#
- 1...Re3
- 2.Se7#
- 2.Rxb5#
- 2.Qxd4#
- 1...Ree4
- 2.Se7#
- 2.Rxb5#
- 2.dxe4#
- 1...Rf5
- 2.Se7#
- 2.Bxe6#
- 2.Rxb5#
- 1...Rg5
- 2.Se7#
- 2.Bxe6#
- 2.Rxb5#
- 1...Rh5
- 2.Se7#
- 2.Bxe6#
- 2.Rxb5#
- 1...Qh7+!
- threat
- 1.c8B?
- threat
- 2.Bb7#
- 1...Rc4
- 2.dxc4#
- 1...Qh7+!
- threat
- 1.c8R?
- threat
- 2.Rc5#
- 2.Rd8#
- 1...Rxd3
- 2.Sxb4#
- 2.Rd8#
- 1...Rc4
- 2.Rd8#
- 2.dxc4#
- 1...Rde4
- 2.Rd8#
- 2.dxe4#
- 1...Rf4
- 2.Rd8#
- 2.Qxe5#
- 1...Re3
- 2.Rc5#
- 2.Qxd4#
- 1...Ree4
- 2.Rc5#
- 2.dxe4#
- 1...Rf5
- 2.Bxe6#
- 2.Rc5#
- 1...Rg5
- 2.Bxe6#
- 2.Rc5#
- 1...Rh5
- 2.Bxe6#
- 2.Rc5#
- 1...Qh7+!
- threat
- 1.Sc4?
- Keys
- 1.Sb7!
- threat
- 2.Rd6#
- 1...Rxd3
- 2.Sxb4#
- 1...Rc4
- 2.dxc4#
- 1...Rde4
- 2.dxe4#
- 1...Rf4
- 2.Qxe5#
- 1...Re3
- 2.Qxd4#
- 1...Ree4
- 2.dxe4#
- 1...Rf5
- 2.Bxe6#
- 1...Rg5
- 2.Bxe6#
- 1...Rh5
- 2.Bxe6#
- threat
- 1.Sb7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(e);OGATE,P_PINR(H)::R(B)+P(D)DCHECK,XR(e)
- R(e);OGATE,P_PINR(H)::QAR1(A),XR(i)
- R(i);S_CUTB(a)::QAR1(A),XR(e)
- R(i);OGATE::P(D),XR(i)
- R(i);N_GUARD::B(L),XP(j)
- Tries
- Try
- S(F);
- Threat
- R1(H)
- Vars
- R(e);OGATE,P_PINR(H),XS(F)::R(B)+P(D)DCHECK,XR(e)
- R(e);OGATE,P_PINR(H)::R(B)+P(D)DCHECK,XR(e)
- R(e);OGATE,P_PINR(H)::QAR1(A),XR(i)
- R(i);S_CUTB(a)::QAR1(A),XR(e)
- R(i);OGATE::P(D),XR(i)
- R(i);N_GUARD::B(L),XP(j)
- Refutation
- R(e);P_PINR(H),P_SPINR(e),XP(D)
- Try
- B(I);
- Threat
- DUALS(2)
- Vars
- R(e);N_GUARD,P_PINR(H),P_SPINR(e),XP(D)::S(G),XP(d)
- R(i);::R(H),XP(g)
- R(e);OGATE,P_PINR(H)::R(B)+P(D)DCHECK,XR(e)
- Refutation
- R(e);P_PINR(H)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(e);N_GUARD,P_PINR(H),P_SPINR(e),XP(D)::S(G),XP(d)
- R(e);OGATE,P_PINR(H)::R(B)+P(D)DCHECK,XR(e)
- R(e);OGATE,P_PINR(H)::QAR1(A),XR(i)
- Refutation
- P(d);XQ(A)
- Try
- P(K);
- Threat
- DUALS(6)
- Refutation
- Q(c);CHECK
- Try
- P(K);
- Threat
- DUALS(3)
- Vars
- R(e);P_PINR(H),P_SPINR(e),XP(D)::S(K)
- Refutation
- Q(c);CHECK
- Try
- P(K);
- Threat
- B(K)
- Vars
- R(e);OGATE,P_PINR(H)::R(B)+P(D)DCHECK,XR(e)
- Refutation
- Q(c);CHECK
- Try
- P(K);
- Threat
- DUALS(2)
- Refutation
- Q(c);CHECK
- Try
- Actual
- S(F);
- Threat
- R1(H)
- Vars
- R(e);N_GUARD,P_PINR(H),P_SPINR(e),XP(D)::S(G),XP(d)
- R(e);OGATE,P_PINR(H)::R(B)+P(D)DCHECK,XR(e)
- R(e);OGATE,P_PINR(H)::QAR1(A),XR(i)
- R(i);S_CUTB(a)::QAR1(A),XR(e)
- R(i);OGATE::P(D),XR(i)
- R(i);N_GUARD::B(L),XP(j)
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).