MESON Chess Problem Database
Problem Display
PID: 183451 (3bK3/3Q4/8/1R2Pp2/4kr2/2n1N2P/3Pp1R1/1b4nB w - - 0 1)
Hermanson, Halvar
1st Comm., Wirtanen JT, 1963
#2
9 + 8
| 56 | The Problemist | 2017 |
| 5454 | Near Snap | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rf1
- 2.Rg4#
- 1...Rf2
- 2.Rg4#
- 1...Rg4
- 2.Rxg4#
- 1...Rh4
- 2.Rg4#
- 1...Sxh3
- 2.Rg4#
- 1...Sd1
- 2.Qd5#
- 1...Sa2
- 2.Qd5#
- 1...Sa4
- 2.Qd5#
- 1...Sxb5
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Rf1
- Tries
- 1.Sd1?
- threat
- 2.Rxe2#
- 1...Kf3
- 2.Rxg1#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Rg7#
- 2.Rg8#
- 1...exd1Q
- 2.Re2#
- 1...exd1S
- 2.Re2#
- 1...exd1B
- 2.Re2#
- 1...exd1R
- 2.Re2#
- 1...Rf1
- 2.Rg4#
- 1...Rf2
- 2.Rg4#
- 1...Rg4
- 2.Rxg4#
- 1...Rh4
- 2.Rg4#
- 1...Sd5
- 2.Qxd5#
- 1...e1Q
- 2.Re2#
- 1...e1S
- 2.Re2#
- 1...e1B
- 2.Re2#
- 1...e1R
- 2.Re2#
- 1...Sf3
- 2.Sf2#
- 2.Sxc3#
- 1...Rf3!
- threat
- 1.Sf1?
- threat
- 2.Rxe2#
- 1...Kf3
- 2.Rh2#
- 1...Rxf1
- 2.Rg4#
- 1...exf1Q
- 2.Re2#
- 1...exf1S
- 2.Re2#
- 1...exf1B
- 2.Re2#
- 1...exf1R
- 2.Re2#
- 1...Rf2
- 2.Rg4#
- 1...Rg4
- 2.Rxg4#
- 1...Rh4
- 2.Rg4#
- 1...Sd5
- 2.Qxd5#
- 1...e1Q
- 2.Re2#
- 1...e1S
- 2.Re2#
- 1...e1B
- 2.Re2#
- 1...e1R
- 2.Re2#
- 1...Sf3
- 2.Sg3#
- 1...Rf3!
- threat
- 1.Sxf5?
- threat
- 2.Rxe2#
- 1...Kf3
- 2.Rh2#
- 1...Rxf5
- 2.Rg4#
- 1...Rf1
- 2.Rg4#
- 1...Rf2
- 2.Rg4#
- 1...Rg4
- 2.Rxg4#
- 1...Rh4
- 2.Rg4#
- 1...e1Q
- 2.Re2#
- 1...e1S
- 2.Re2#
- 1...e1B
- 2.Re2#
- 1...e1R
- 2.Re2#
- 1...Rf3
- 2.Rg4#
- 1...Sf3
- 2.Sg3#
- 1...Sd5!
- threat
- 1.Qc6+?
- 1...Kd4
- 2.Qc4#
- 1...Sd5
- 2.Qxd5#
- 1...Kd3!
- 1...Kd4
- 1.Sd1?
- Keys
- 1.Sc2!
- threat
- 2.Rxe2#
- 1...Kf3
- 2.Qd3#
- 1...Rf1
- 2.Rg4#
- 1...Rf2
- 2.Rg4#
- 1...Rg4
- 2.Rxg4#
- 1...Rh4
- 2.Rg4#
- 1...Sd5
- 2.Qxd5#
- 1...e1Q
- 2.Re2#
- 1...e1S
- 2.Re2#
- 1...e1B
- 2.Re2#
- 1...e1R
- 2.Re2#
- 1...Rf3
- 2.Qd4#
- 1...Sf3
- 2.d3#
- threat
- 1.Sc2!
This anticipates 61065(1972)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 5
- Sets
- R(f);::B(A)+R(C),DCHECK
- R(f);::B(A)+R(C),DCHECK,XR(f)
- S(b);N_GUARD,XP(E)::B(A)+R(C)
- S(d);N_GUARD::QAB1(H)
- S(d);N_GUARD,XR(F)::QAB1(H)
- S(d);N_GUARD::QAB1(H),XS(d)
- Tries
- Try
- S(D);
- Threat
- B(A)+R(C),DCHECK,XP(c)
- Vars
- P(c);XS(D)::B(A)+R(C),DCHECK
- R(f);::B(A)+R(C),DCHECK
- R(f);::B(A)+R(C),DCHECK,XR(f)
- S(d);N_GUARD::QAB1(H),XS(d)
- P(c);::B(A)+R(C),DCHECK
- Refutation
- R(f);
- Try
- S(D);
- Threat
- B(A)+R(C),DCHECK,XP(c)
- Vars
- K(e);S_FLIGHT::B(A)+R(C)
- R(f);XS(D)::B(A)+R(C),DCHECK
- P(c);XS(D)::B(A)+R(C),DCHECK
- R(f);::B(A)+R(C),DCHECK
- R(f);::B(A)+R(C),DCHECK,XR(f)
- S(d);N_GUARD::QAB1(H),XS(d)
- P(c);::B(A)+R(C),DCHECK
- S(b);SBLOCK::S(D)
- Refutation
- R(f);
- Try
- S(D);XP(g)
- Threat
- B(A)+R(C),DCHECK,XP(c)
- Vars
- K(e);S_FLIGHT::B(A)+R(C)
- R(f);XS(D)::B(A)+R(C),DCHECK
- R(f);::B(A)+R(C),DCHECK
- R(f);::B(A)+R(C),DCHECK,XR(f)
- P(c);::B(A)+R(C),DCHECK
- R(f);S_CUTS(b)::R(C)
- S(b);SBLOCK::S(D)
- Refutation
- S(d);
- Try
- Q(H);CHECK
- Vars
- K(e);P-FLIGHT::QAR1(H)
- S(d);N_GUARD,P_SPINS(d)::QAB1(H),XS(d)
- Refutation
- K(e);S_FLIGHT
- Try
- Actual
- S(D);
- Threat
- B(A)+R(C),DCHECK,XP(c)
- Vars
- K(e);S_FLIGHT::QAR2(H)
- R(f);::B(A)+R(C),DCHECK
- R(f);::B(A)+R(C),DCHECK,XR(f)
- S(d);N_GUARD::QAB1(H),XS(d)
- P(c);::B(A)+R(C),DCHECK
- R(f);SBLOCK::QAR1(H)
- S(b);SBLOCK::P(B)
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).