MESON Chess Problem Database
Problem Display
PID: 33180 (KR6/1nk5/Q7/4N3/3n4/8/8/8 w - - 0 1)
Grunenwald, Alphonse
Basler Nationalzeitung, 1950
#2
4 + 3
| 3713 | Snap | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sc2
- 2.Qc6#
- 1...Se2
- 2.Qc6#
- 1...Sb3
- 2.Qc6#
- 1...Sf3
- 2.Qc6#
- 1...Sb5
- 2.Qc6#
- 1...Sf5
- 2.Qc6#
- 1...Sc6
- 2.Qxc6#
- 1...Se6
- 2.Qc6#
- 1...Sa5
- 2.Rc8#
- 2.Qb6#
- 1...Sc5
- 2.Rc8#
- 2.Qb6#
- 1...Sd6
- 2.Qa5#
- 2.Qb6#
- 1...Sd8
- 2.Rc8#
- 2.Qb6#
- 1...Sc2
- Tries
- 1.Ka7?
- threat
- 2.Qb6#
- 1...Sc6+
- 2.Qxc6#
- 1...Sb5+!
- threat
- 1.Sc4?
- threat
- 2.Qxb7#
- 1...Sa5
- 2.Qc8#
- 2.Qd6#
- 1...Sc5
- 2.Qc8#
- 2.Qd6#
- 1...Sd6
- 2.Qxd6#
- 1...Sd8
- 2.Qc8#
- 2.Qd6#
- 1...Kd7!
- threat
- 1.Sf7?
- threat
- 2.Qxb7#
- 1...Sa5
- 2.Qc8#
- 2.Qd6#
- 1...Sc5
- 2.Qc8#
- 2.Qd6#
- 1...Sd6
- 2.Qxd6#
- 1...Sd8
- 2.Qc8#
- 2.Qd6#
- 1...Kd7!
- threat
- 1.Rxb7+?
- 1...Kc8
- 2.Rd7#
- 1...Kd8!
- 1...Kc8
- 1.Rf8?
- 1...Sc6
- 2.Qxc6#
- 1...Sc2
- 2.Qc6#
- 1...Se2
- 2.Qc6#
- 1...Sb3
- 2.Qc6#
- 1...Sf3
- 2.Qc6#
- 1...Sb5
- 2.Qc6#
- 1...Sf5
- 2.Qc6#
- 1...Se6
- 2.Qc6#
- 1...Sa5
- 2.Rc8#
- 1...Sc5
- 2.Rc8#
- 1...Sd6
- 2.Qa5#
- 1...Sd8!
- 1...Sc6
- 1.Rg8?
- 1...Sc6
- 2.Qxc6#
- 1...Sc2
- 2.Qc6#
- 1...Se2
- 2.Qc6#
- 1...Sb3
- 2.Qc6#
- 1...Sf3
- 2.Qc6#
- 1...Sb5
- 2.Qc6#
- 1...Sf5
- 2.Qc6#
- 1...Se6
- 2.Qc6#
- 1...Sa5
- 2.Rc8#
- 1...Sc5
- 2.Rc8#
- 1...Sd6
- 2.Qa5#
- 1...Sd8!
- 1...Sc6
- 1.Rh8?
- 1...Sc6
- 2.Qxc6#
- 1...Sc2
- 2.Qc6#
- 1...Se2
- 2.Qc6#
- 1...Sb3
- 2.Qc6#
- 1...Sf3
- 2.Qc6#
- 1...Sb5
- 2.Qc6#
- 1...Sf5
- 2.Qc6#
- 1...Se6
- 2.Qc6#
- 1...Sa5
- 2.Rc8#
- 1...Sc5
- 2.Rc8#
- 1...Sd6
- 2.Qa5#
- 1...Sd8!
- 1...Sc6
- 1.Qe6?
- threat
- 2.Rc8#
- 1...Sc6
- 2.Qxc6#
- 1...Sd6
- 2.Qd7#
- 2.Qe7#
- 1...Sxe6!
- threat
- 1.Qf6?
- 1...Sc6
- 2.Qxc6#
- 1...Sd8
- 2.Qe7#
- 2.Qxd8#
- 2.Qb6#
- 1...Sc2
- 2.Qc6#
- 1...Se2
- 2.Qc6#
- 1...Sb3
- 2.Qc6#
- 1...Sf3
- 2.Qc6#
- 1...Sb5
- 2.Qc6#
- 1...Sf5
- 2.Qc6#
- 1...Sa5
- 2.Qe7#
- 2.Qd8#
- 2.Qb6#
- 1...Sc5
- 2.Qd8#
- 2.Qb6#
- 1...Sd6
- 2.Qe7#
- 2.Qd8#
- 1...Se6!
- 1...Sc6
- 1.Ka7?
- Keys
- 1.Re8!
- 1...Sc6
- 2.Qxc6#
- 1...Sc2
- 2.Qc6#
- 1...Se2
- 2.Qc6#
- 1...Sb3
- 2.Qc6#
- 1...Sf3
- 2.Qc6#
- 1...Sb5
- 2.Qc6#
- 1...Sf5
- 2.Qc6#
- 1...Se6
- 2.Qc6#
- 1...Sa5
- 2.Rc8#
- 1...Sc5
- 2.Rc8#
- 1...Sd6
- 2.Qa5#
- 1...Sd8
- 2.Re7#
- 1...Sc6
- 1.Re8!
This anticipates 93275(1961)
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::QAR1(B)
- S(a);N_GUARD::QAR1(B),XS(a)
- Tries
- Try
- K(C);P-FLIGHT
- Threat
- QAB1(B)
- Vars
- S(a);CHECK,N_GUARD::QAR1(B),XS(a)
- Refutation
- S(a);CHECK
- Try
- S(A);
- Threat
- QAR1(B),XS(b)
- Vars
- S(b);N_GUARD::QAB1(B),XS(b)
- Refutation
- K(c);P-FLIGHT
- Try
- S(A);
- Threat
- QAR1(B),XS(b)
- Vars
- S(b);N_GUARD::QAB1(B),XS(b)
- Refutation
- K(c);P-FLIGHT
- Try
- R(D);CHECK,XS(b)
- Vars
- K(c);OGATE,P-FLIGHT::QAB(B)+R(D)
- Refutation
- K(c);S_FLIGHT
- Try
- R(D);
- Vars
- S(a);N_GUARD::QAR1(B),XS(a)
- S(a);N_GUARD::QAR1(B)
- S(b);::R1(D)
- S(b);N_GUARD,SBLOCK::QAB(B)
- Refutation
- S(b);
- Try
- R(D);
- Vars
- S(a);N_GUARD::QAR1(B),XS(a)
- S(a);N_GUARD::QAR1(B)
- S(b);::R1(D)
- S(b);N_GUARD,SBLOCK::QAB(B)
- Refutation
- S(b);
- Try
- R(D);
- Vars
- S(a);N_GUARD::QAR1(B),XS(a)
- S(a);N_GUARD::QAR1(B)
- S(b);::R1(D)
- S(b);N_GUARD,SBLOCK::QAB(B)
- Refutation
- S(b);
- Try
- Q(B);
- Threat
- R1(D)
- Vars
- S(a);N_GUARD::QAR1(B),XS(a)
- Refutation
- S(a);XQ(B)
- Try
- Q(B);
- Vars
- S(a);N_GUARD::QAR1(B),XS(a)
- S(a);N_GUARD::QAR1(B)
- Refutation
- S(a);
- Try
- Actual
- R(D);
- Vars
- S(a);N_GUARD::QAR1(B),XS(a)
- S(a);N_GUARD::QAR1(B)
- S(b);::R1(D)
- S(b);N_GUARD,SBLOCK::QAB(B)
- S(b);SBLOCK::R(D)
Developed and maintained by Brian Stephenson.
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CSS/Javascript (jQuery, Bootstrap & DataTables).