MESON Chess Problem Database
Problem Display
PID: 47793 (8/8/5N2/6N1/5b1k/4n1R1/8/2Q4K w - - 0 1)
Havel, Miroslav
Nedele, 1904
#2
5 + 3
| 6024 | Bohemian Garnets | 1923 |
| 4312 | Ceske Granaty | 1975 |
| 5454 | Near Snap | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Kxg3
- 2.Qe1#
- 1...Sd1
- 2.Rg4#
- 2.Qxf4#
- 1...Sf1
- 2.Rg4#
- 2.Qxf4#
- 1...Sc2
- 2.Rg4#
- 2.Qxf4#
- 1...Sg2
- 2.Rg4#
- 1...Sc4
- 2.Rg4#
- 2.Qxf4#
- 1...Sg4
- 2.Rxg4#
- 1...Sd5
- 2.Rg4#
- 1...Sf5
- 2.Rg4#
- 2.Qxf4#
- 1...Kxg3
- Tries
- 1.Qb2?
- threat
- 2.Qh2#
- 1...Kxg3
- 2.Qh2#
- 1...Sg4
- 2.Rxg4#
- 1...Sf1
- 2.Rg4#
- 1...Sc2
- 2.Rg4#
- 1...Sg2
- 2.Rg4#
- 1...Bxg3!
- threat
- 1.Qd2?
- threat
- 2.Qh2#
- 1...Kxg3
- 2.Qe1#
- 2.Qh2#
- 1...Sg4
- 2.Rxg4#
- 1...Sf1
- 2.Rg4#
- 2.Qxf4#
- 1...Sg2
- 2.Rg4#
- 1...Bxg3!
- threat
- 1.Qxe3?
- threat
- 2.Rg4#
- 2.Qxf4#
- 1...Bxe3
- 2.Rg4#
- 1...Bxg5
- 2.Rh3#
- 2.Rg4#
- 2.Qxg5#
- 1...Be5
- 2.Rh3#
- 2.Rg4#
- 1...Bd6
- 2.Rh3#
- 2.Rg4#
- 1...Bc7
- 2.Rh3#
- 2.Rg4#
- 1...Bb8
- 2.Rh3#
- 2.Rg4#
- 1...Bxg3!
- threat
- 1.Qe1?
- threat
- 2.Sf3#
- 2.Rg4#
- 1...Bxg5
- 2.Rxe3#
- 2.Rf3#
- 1...Sg4
- 2.Sf3#
- 2.Rxg4#
- 1...Bxg3!
- threat
- 1.Qg1?
- threat
- 2.Sf3#
- 2.Rh3#
- 2.Qh2#
- 1...Bxg5
- 2.Qh2#
- 1...Sg2
- 2.Rg4#
- 2.Qh2#
- 1...Sg4
- 2.Sf3#
- 2.Rxg4#
- 1...Sf1
- 2.Sf3#
- 2.Rh3#
- 2.Rg4#
- 1...Bxg3!
- threat
- 1.Qc2?
- threat
- 2.Qh2#
- 1...Kxg3
- 2.Qh2#
- 1...Sxc2
- 2.Rg4#
- 1...Sg4
- 2.Rxg4#
- 1...Sf1
- 2.Rg4#
- 1...Sg2
- 2.Rg4#
- 1...Bxg3!
- threat
- 1.Qc4?
- 1...Sxc4
- 2.Rg4#
- 1...Sg4
- 2.Rxg4#
- 1...Sd1
- 2.Rg4#
- 2.Qxf4#
- 1...Sf1
- 2.Rg4#
- 2.Qxf4#
- 1...Sc2
- 2.Rg4#
- 2.Qxf4#
- 1...Sg2
- 2.Rg4#
- 1...Sd5
- 2.Rg4#
- 1...Sf5
- 2.Rg4#
- 2.Qxf4#
- 1...Kxg3!
- 1...Sxc4
- 1.Qc8?
- threat
- 2.Qh3#
- 1...Bxg3
- 2.Sf3#
- 1...Sg4
- 2.Rxg4#
- 2.Qxg4#
- 1...Sf5
- 2.Rg4#
- 1...Kxg3!
- threat
- 1.Qb2?
- Keys
- 1.Qf1!
- threat
- 2.Qh3#
- 1...Kxg3
- 2.Qe1#
- 1...Bxg3
- 2.Sf3#
- 1...Sxf1
- 2.Rg4#
- 1...Sg4
- 2.Rxg4#
- 1...Sg2
- 2.Rg4#
- threat
- 1.Qf1!
This anticipates 108955(1983)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- K(c);OGATEB,S_FLIGHT,XR(C)::QAB(A)
- S(a);N_GUARD::R1(C)
- S(a);N_GUARD::R1(C),XS(a)
- Tries
- Try
- Q(A);
- Threat
- QAR2(A)
- Vars
- K(c);S_FLIGHT,XR(C)::QAB1(A)
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- Refutation
- B(b);XR(C)
- Try
- Q(A);
- Threat
- QAR2(A)
- Vars
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- Refutation
- B(b);XR(C)
- Try
- Q(A);XS(a)
- Threat
- DUALS(2)
- Vars
- B(b);XQ(A)::R1(C)
- Refutation
- B(b);XR(C)
- Try
- Q(A);
- Threat
- DUALS(2)
- Refutation
- B(b);P_SPINB(b),XR(C)
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- B(b);XS(D)::QAR2(A)
- Refutation
- B(b);XR(C)
- Try
- Q(A);
- Threat
- QAR2(A)
- Vars
- K(c);S_FLIGHT,XR(C)::QAB1(A)
- S(a);N_GUARD,XQ(A)::R1(C)
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- Refutation
- B(b);XR(C)
- Try
- Q(A);P_PINB(b)
- Vars
- S(a);N_GUARD,N_SPINB(b),XQ(A)::R1(C)
- S(a);N_GUARD,N_SPINB(b)::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- Refutation
- K(c);N_SPINB(b),S_FLIGHT,XR(C)
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- B(b);SBLOCK,XR(C)::S(D)
- S(a);N_GUARD::R1(C)
- Refutation
- K(c);S_FLIGHT,XR(C)
- Try
- Actual
- Q(A);
- Threat
- QAR1(A)
- Vars
- K(c);OGATEB,S_FLIGHT,XR(C)::QAB(A)
- B(b);SBLOCK,XR(C)::S(D)
- S(a);N_GUARD,XQ(A)::R1(C)
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
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).