MESON Chess Problem Database
Problem Display
PID: 250144 (1K6/1B3pnb/5r1n/p1P1Q3/R2N2pb/N1Bk2qR/3Pp3/5r2 w - - 0 1)
Wrobel, Marian
Sports Referee, 1927
#2
10 + 12
| 6490 | yacpdb | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qe3
- 2.Rxe3#
- 2.Qxe3#
- 1...Qf3
- 2.Qxe2#
- 1...Qxh3
- 2.Qxe2#
- 1...R1f4
- 2.Qxe2#
- 1...R1f5
- 2.Be4#
- 1...Rf2
- 2.Ba6#
- 1...Rf3
- 2.Ba6#
- 1...R6f4
- 2.Ba6#
- 2.Qxe2#
- 1...R6f5
- 2.Be4#
- 2.Ba6#
- 1...Ra6
- 2.Bxa6#
- 1...Rd6
- 2.Qxe2#
- 1...Rg6
- 2.Be4#
- 1...Be4
- 2.Bxe4#
- 1...Bg8
- 2.Be4#
- 1...Shf5
- 2.Be4#
- 1...Sgf5
- 2.Be4#
- 1...Se6
- 2.Ba6#
- 1...Qe3
- Tries
- 1.Sdc2?
- threat
- 2.Rd4#
- 1...R1f4
- 2.Se1#
- 1...Rd6
- 2.Qxd6#
- 1...Shf5
- 2.Be4#
- 1...Sgf5
- 2.Be4#
- 1...Se6
- 2.Ba6#
- 1...R6f4!
- threat
- 1.Sb3?
- threat
- 2.Rd4#
- 1...R1f4
- 2.Sc1#
- 1...Rd6
- 2.Qxd6#
- 1...Shf5
- 2.Be4#
- 1...Sgf5
- 2.Be4#
- 1...Se6
- 2.Ba6#
- 1...R6f4!
- threat
- 1.Sf5?
- threat
- 2.Be4#
- 2.Rd4#
- 1...Bxf5
- 2.Rd4#
- 1...Shxf5
- 2.Be4#
- 1...Sgxf5
- 2.Be4#
- 1...e1Q
- 2.Rd4#
- 1...e1S
- 2.Rd4#
- 1...e1B
- 2.Rd4#
- 1...e1R
- 2.Rd4#
- 1...Rb1
- 2.Rd4#
- 1...Rb6
- 2.Rd4#
- 1...Rc6
- 2.Rd4#
- 1...Rd6
- 2.Be4#
- 2.Qxd6#
- 2.Qe4#
- 1...Se6
- 2.Be4#
- 2.Ba6#
- 1...Rf4!
- threat
- 1.Rxg3+?
- 1...R1f3
- 2.Qxe2#
- 1...R6f3
- 2.Ba6#
- 2.Qxe2#
- 1...Bxg3!
- 1...R1f3
- 1.Sdc2?
- Keys
- 1.Sf3!
- threat
- 2.Rd4#
- 1...Qxe5+
- 2.Sxe5#
- 1...Qf2
- 2.Se1#
- 1...Qf4
- 2.Se1#
- 1...Qg1
- 2.Se1#
- 1...Rf4
- 2.Qe3#
- 1...Rd6
- 2.Qe3#
- 1...Shf5
- 2.Be4#
- 1...Sgf5
- 2.Be4#
- 1...Se6
- 2.Ba6#
- threat
- 1.Sf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 5
- REMOVED MATES = 10
- Sets
- Q(d);N_PINQ(H)::QAB1(H),XP(b)
- Q(d);N_PINQ(H),N_SPINQ(d),XR(D)::QAB1(H),XP(b)
- R(a);N_PINQ(H)::QAB1(H),XP(b)
- R(a);S_CUTB(l)::B(I)
- R(h);N_GUARD::B(I)
- R(h);N_GUARD,N_SPINQ(d)::B(I)
- R(h);N_GUARD::B(I),XR(h)
- R(h);N_PINQ(H)::QAB1(H),XP(b)
- R(h);S_CUTB(l)::B(I)
- B(l);N_GUARD::B(I),XB(l)
- B(l);N_GUARD::B(I)
- S(i);S_CUTB(l)::B(I)
- S(k);S_CUTB(l)::B(I)
- S(k);S_CUTR(h)::B(I)
- Tries
- Try
- S(F);
- Threat
- R1(E)
- Vars
- R(a);N_GUARD,N_PINQ(H)::S(F)
- R(h);N_GUARD,N_PINQ(H)::QAR(H),XR(h)
- S(i);S_CUTB(l)::B(I)
- S(k);S_CUTB(l)::B(I)
- S(k);S_CUTR(h)::B(I)
- Refutation
- R(h);N_PINQ(H)
- Try
- S(F);
- Threat
- R1(E)
- Vars
- R(a);N_GUARD,N_PINQ(H)::S(F)
- R(h);N_GUARD,N_PINQ(H)::QAR(H),XR(h)
- S(i);S_CUTB(l)::B(I)
- S(k);S_CUTB(l)::B(I)
- S(k);S_CUTR(h)::B(I)
- Refutation
- R(h);N_PINQ(H)
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- B(l);XS(F)::R1(E)
- S(i);XS(F)::B(I)
- S(k);XS(F)::B(I)
- P(b);::R1(E)
- R(a);P_PINB(I)::R1(E)
- R(h);P_PINB(I)::R1(E)
- R(h);::R1(E)
- Refutation
- R(a);N_PINQ(H)
- Try
- R(D);CHECK,N_SPINQ(H),XQ(d)
- Vars
- R(a);P_SPINR(a)::QAB1(H),XP(b)
- Refutation
- B(f);P_PINQ(H),XR(D)
- Try
- Actual
- S(F);N_PINQ(d)
- Threat
- R1(E)
- Vars
- Q(d);CHECK,XQ(H)::R(D)+S(F),DCHECK,XQ(d)
- Q(d);N_PINQ(H)::R(D)+S(F),DCHECK
- Q(d);::R(D)+S(F),DCHECK
- R(h);N_PINQ(H)::QAR1(H)
- S(i);S_CUTB(l)::B(I)
- S(k);S_CUTB(l)::B(I)
- S(k);S_CUTR(h)::B(I)
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).