MESON Chess Problem Database
Problem Display
PID: 59399 (8/2NKn1n1/p7/PpR5/1p1k1p2/1P3P2/3Pb1rp/1BR1Q2N w - - 0 1)
Valle, Giovanni Batista
Source?, 0000
#2
11 + 10
| 23 | Die Schwalbe | 2005 |
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Qf2#
- 1...Rf2
- 2.Qxf2#
- 1...Rg3
- 2.Qf2#
- 1...Rg4
- 2.Qf2#
- 1...Rg5
- 2.Qf2#
- 1...Rg6
- 2.Qf2#
- 1...Bd1
- 2.Qe4#
- 2.Qe5#
- 1...Bf1
- 2.Qe4#
- 2.Qe5#
- 1...Bd3
- 2.Qe5#
- 1...Bxf3
- 2.Qe5#
- 1...Bc4
- 2.Qe5#
- 1...Sd5
- 2.Rxd5#
- 1...Sef5
- 2.Rd5#
- 1...Sc6
- 2.Rd5#
- 1...Sg6
- 2.Rd5#
- 1...Sc8
- 2.Rd5#
- 1...Sg8
- 2.Rd5#
- 1...Sgf5
- 2.Se6#
- 1...Sh5
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Se8
- 2.Se6#
- 1...Rg1
- Tries
- 1.Kxe7?
- threat
- 2.Rd5#
- 1...Bxf3
- 2.Qe5#
- 1...Bc4
- 2.Qe5#
- 1...Rg5
- 2.Qf2#
- 1...Sf5+!
- threat
- 1.Kd8?
- 1...Se6+
- 2.Sxe6#
- 1...Bxf3
- 2.Qe5#
- 1...Bc4
- 2.Qe5#
- 1...Sd5
- 2.Rxd5#
- 1...Rg1
- 2.Qf2#
- 1...Rf2
- 2.Qxf2#
- 1...Rg3
- 2.Qf2#
- 1...Rg4
- 2.Qf2#
- 1...Rg5
- 2.Qf2#
- 1...Rg6
- 2.Qf2#
- 1...Bd1
- 2.Qe4#
- 2.Qe5#
- 1...Bf1
- 2.Qe4#
- 2.Qe5#
- 1...Bd3
- 2.Qe5#
- 1...Sef5
- 2.Rd5#
- 1...Sg6
- 2.Rd5#
- 1...Sc8
- 2.Rd5#
- 1...Sg8
- 2.Rd5#
- 1...Sgf5
- 2.Se6#
- 1...Sh5
- 2.Se6#
- 1...Se8
- 2.Se6#
- 1...Sc6+!
- 1...Se6+
- 1.Bc2?
- 1...Bxf3
- 2.Qe5#
- 1...Sd5
- 2.Rxd5#
- 1...Rg1
- 2.Qf2#
- 1...Rf2
- 2.Qxf2#
- 1...Rg3
- 2.Qf2#
- 1...Rg4
- 2.Qf2#
- 1...Rg5
- 2.Qf2#
- 1...Rg6
- 2.Qf2#
- 1...Bd1
- 2.Qe5#
- 1...Bf1
- 2.Qe5#
- 1...Bd3
- 2.Qe5#
- 1...Bc4
- 2.Qe5#
- 1...Sef5
- 2.Rd5#
- 1...Sc6
- 2.Rd5#
- 1...Sg6
- 2.Rd5#
- 1...Sc8
- 2.Rd5#
- 1...Sg8
- 2.Rd5#
- 1...Sgf5
- 2.Se6#
- 1...Sh5
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Se8
- 2.Se6#
- 1...Kxc5!
- 1...Bxf3
- 1.Bf5?
- 1...Bxf3
- 2.Qe5#
- 1...Sexf5
- 2.Rd5#
- 1...Bc4
- 2.Qe5#
- 1...Sd5
- 2.Rxd5#
- 1...Rg1
- 2.Qf2#
- 1...Rf2
- 2.Qxf2#
- 1...Rg3
- 2.Qf2#
- 1...Rg4
- 2.Qf2#
- 1...Rg5
- 2.Qf2#
- 1...Rg6
- 2.Qf2#
- 1...Bd1
- 2.Qe4#
- 2.Qe5#
- 1...Bf1
- 2.Qe4#
- 2.Qe5#
- 1...Bd3
- 2.Qe5#
- 1...Sc6
- 2.Rd5#
- 1...Sg6
- 2.Rd5#
- 1...Sc8
- 2.Rd5#
- 1...Sg8
- 2.Rd5#
- 1...Sh5
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Se8
- 2.Se6#
- 1...Sgxf5!
- 1...Bxf3
- 1.R1c3?
- 1...Bxf3
- 2.Qe5#
- 1...Bc4
- 2.Qe5#
- 1...Sd5
- 2.Rxd5#
- 1...Rg1
- 2.Qf2#
- 1...Rf2
- 2.Qxf2#
- 1...Rg3
- 2.Qf2#
- 1...Rg4
- 2.Qf2#
- 1...Rg5
- 2.Qf2#
- 1...Rg6
- 2.Qf2#
- 1...Bd1
- 2.Qe4#
- 2.Qe5#
- 1...Bf1
- 2.Qe4#
- 2.Qe5#
- 1...Bd3
- 2.Qe5#
- 1...Sef5
- 2.Rd5#
- 1...Sc6
- 2.Rd5#
- 1...Sg6
- 2.Rd5#
- 1...Sc8
- 2.Rd5#
- 1...Sg8
- 2.Rd5#
- 1...Sgf5
- 2.Se6#
- 1...Sh5
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Se8
- 2.Se6#
- 1...bxc3!
- 1...Bxf3
- 1.R1c4+?
- 1...Bxc4
- 2.Qe5#
- 1...bxc4!
- 1...Bxc4
- 1.Qh4?
- threat
- 2.Qf6#
- 2.Qxf4#
- 1...Bxf3
- 2.Qf6#
- 1...Sd5
- 2.Rxd5#
- 1...Rg4
- 2.Qf2#
- 2.Qf6#
- 1...Rg5
- 2.Qf2#
- 2.Qxf4#
- 1...Rg6
- 2.Qf2#
- 2.Qxf4#
- 1...Bd3
- 2.Qf6#
- 1...Sc6
- 2.Rd5#
- 2.Qxf4#
- 1...Sg6
- 2.Rd5#
- 1...Sg8
- 2.Rd5#
- 2.Qxf4#
- 1...Sh5
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 2.Qf6#
- 1...Se8
- 2.Se6#
- 2.Qxf4#
- 1...Bc4!
- threat
- 1.Qxe2?
- threat
- 2.Qd3#
- 2.Qe4#
- 2.Qe5#
- 1...Rg5
- 2.Qd3#
- 2.Qf2#
- 2.Qe4#
- 1...Sd5
- 2.Rxd5#
- 2.Qe4#
- 1...Sc6
- 2.Rd5#
- 2.Qd3#
- 2.Qe4#
- 1...Sg6
- 2.Rd5#
- 2.Qd3#
- 2.Qe4#
- 1...Rxe2!
- threat
- 1.Kxe7?
- Keys
- 1.Rd1!
- 1...Kxc5
- 2.d4#
- 1...Bxd1
- 2.Qe5#
- 1...Bxf3
- 2.Qe5#
- 1...Sd5
- 2.Rxd5#
- 1...Rg1
- 2.Qf2#
- 1...Rf2
- 2.Qxf2#
- 1...Rg3
- 2.Qf2#
- 1...Rg4
- 2.Qf2#
- 1...Rg5
- 2.Qf2#
- 1...Rg6
- 2.Qf2#
- 1...Bf1
- 2.Qe5#
- 1...Bd3
- 2.Qe5#
- 1...Bc4
- 2.Qe5#
- 1...Sef5
- 2.Rd5#
- 1...Sc6
- 2.Rd5#
- 1...Sg6
- 2.Rd5#
- 1...Sc8
- 2.Rd5#
- 1...Sg8
- 2.Rd5#
- 1...Sgf5
- 2.Se6#
- 1...Sh5
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Se8
- 2.Se6#
- 1...Kxc5
- 1.Rd1!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- R(b);N_GUARD::QAB(C)
- R(b);N_GUARD::QAB(C),XR(b)
- B(a);OGATE::QAB1(C)
- B(a);OGATE,XP(G)::QAB1(C)
- S(i);N_GUARD::R1(I),XS(i)
- S(i);N_GUARD::R1(I)
- S(j);N_GUARD::S(J)
- S(j);N_GUARD::S(J),XS(j)
- Tries
- Try
- K(K);P-FLIGHT,XS(i)
- Threat
- R1(I)
- Vars
- B(a);OGATE,XP(G)::QAB1(C)
- B(a);OGATE::QAB1(C)
- R(b);N_GUARD::QAB(C)
- Refutation
- S(j);CHECK
- Try
- K(K);P-FLIGHT
- Vars
- S(j);CHECK,N_GUARD::S(J),XS(j)
- B(a);OGATE,XP(G)::QAB1(C)
- B(a);OGATE::QAB1(C)
- S(i);N_GUARD::R1(I),XS(i)
- R(b);N_GUARD::QAB(C)
- R(b);N_GUARD::QAB(C),XR(b)
- S(i);N_GUARD::R1(I)
- S(j);N_GUARD::S(J)
- Refutation
- S(i);CHECK
- Try
- B(A);
- Vars
- B(a);OGATE,XP(G)::QAB1(C)
- S(i);N_GUARD::R1(I),XS(i)
- R(b);N_GUARD::QAB(C)
- R(b);N_GUARD::QAB(C),XR(b)
- B(a);OGATE::QAB1(C)
- S(i);N_GUARD::R1(I)
- S(j);N_GUARD::S(J)
- S(j);N_GUARD::S(J),XS(j)
- Refutation
- K(e);S_FLIGHT,XR(I)
- Try
- B(A);
- Vars
- B(a);OGATE,XP(G)::QAB1(C)
- S(i);N_GUARD,XB(A)::R1(I)
- B(a);OGATE::QAB1(C)
- S(i);N_GUARD::R1(I),XS(i)
- R(b);N_GUARD::QAB(C)
- R(b);N_GUARD::QAB(C),XR(b)
- S(i);N_GUARD::R1(I)
- S(j);N_GUARD::S(J)
- S(j);N_GUARD::S(J),XS(j)
- Refutation
- S(j);XB(A)
- Try
- R(B);
- Vars
- B(a);OGATE,XP(G)::QAB1(C)
- B(a);OGATE::QAB1(C)
- S(i);N_GUARD::R1(I),XS(i)
- R(b);N_GUARD::QAB(C)
- R(b);N_GUARD::QAB(C),XR(b)
- S(i);N_GUARD::R1(I)
- S(j);N_GUARD::S(J)
- S(j);N_GUARD::S(J),XS(j)
- Refutation
- P(d);XR(B)
- Try
- R(B);CHECK
- Vars
- B(a);OGATE,XR(B)::QAB1(C)
- Refutation
- P(g);XR(B)
- Try
- Q(C);P_PINP(f)
- Threat
- DUALS(2)
- Vars
- B(a);XP(G)::QAB(C)
- S(i);N_GUARD::R1(I),XS(i)
- B(a);::QAB(C)
- S(i);N_GUARD::R1(I)
- S(j);N_GUARD::S(J)
- Refutation
- B(a);
- Try
- Q(C);XB(a)
- Threat
- DUALS(3)
- Refutation
- R(b);XQ(C)
- Try
- Actual
- R(B);
- Vars
- K(e);OGATE,S_FLIGHT,XR(I)::P(E)
- B(a);OGATE,XR(B)::QAB1(C)
- B(a);OGATE,XP(G)::QAB1(C)
- S(i);N_GUARD::R1(I),XS(i)
- R(b);N_GUARD::QAB(C)
- R(b);N_GUARD::QAB(C),XR(b)
- B(a);OGATE::QAB1(C)
- S(i);N_GUARD::R1(I)
- S(j);N_GUARD::S(J)
- S(j);N_GUARD::S(J),XS(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).