MESON Chess Problem Database
Problem Display
PID: 240704 (8/BK6/1N5R/P3k3/3r4/5Q2/8/8 w - - 0 1)
Larsen, Lars Aksglade (= Aksglade, Lars)
Thema Danicum, 1989
#2
6 + 2
| 15148 | Sadier Collection | 2021 |
| 5454 | Near Snap | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rd1
- 2.Sc4#
- 1...Rd2
- 2.Sc4#
- 1...Rd3
- 2.Sc4#
- 1...Ra4
- 2.Sd7#
- 1...Rc4
- 2.Sxc4#
- 2.Sd7#
- 1...Re4
- 2.Qf6#
- 1...Rf4
- 2.Qd5#
- 1...Rg4
- 2.Sd7#
- 1...Rh4
- 2.Sd7#
- 1...Rd5
- 2.Sc4#
- 1...Rd6
- 2.Sc4#
- 1...Rd7+
- 2.Sxd7#
- 1...Rd8
- 2.Sc4#
- 1...Rd1
- Tries
- 1.Ka6?
- 1...Rd1
- 2.Sc4#
- 1...Rd2
- 2.Sc4#
- 1...Rd3
- 2.Sc4#
- 1...Ra4
- 2.Sd7#
- 1...Rb4
- 2.Sd7#
- 1...Rc4
- 2.Sxc4#
- 2.Sd7#
- 1...Re4
- 2.Qf6#
- 1...Rf4
- 2.Qd5#
- 1...Rg4
- 2.Sd7#
- 1...Rh4
- 2.Sd7#
- 1...Rd5
- 2.Sc4#
- 1...Rd7
- 2.Sc4#
- 2.Sxd7#
- 1...Rd8
- 2.Sc4#
- 1...Rd6!
- 1...Rd1
- 1.Kc6?
- 1...Rc4+
- 2.Sxc4#
- 1...Rd1
- 2.Sc4#
- 1...Rd2
- 2.Sc4#
- 1...Rd3
- 2.Sc4#
- 1...Ra4
- 2.Sd7#
- 1...Rb4
- 2.Sd7#
- 1...Re4
- 2.Sd7#
- 2.Qf6#
- 1...Rf4
- 2.Qd5#
- 1...Rg4
- 2.Sd7#
- 1...Rh4
- 2.Sd7#
- 1...Rd5
- 2.Sc4#
- 1...Rd7
- 2.Sc4#
- 2.Sxd7#
- 1...Rd8
- 2.Sc4#
- 1...Rd6+!
- 1...Rc4+
- 1.Ka8?
- 1...Rd1
- 2.Sc4#
- 1...Rd2
- 2.Sc4#
- 1...Rd3
- 2.Sc4#
- 1...Ra4
- 2.Sd7#
- 1...Rb4
- 2.Sd7#
- 1...Rc4
- 2.Sxc4#
- 2.Sd7#
- 1...Re4
- 2.Qf6#
- 1...Rf4
- 2.Qd5#
- 1...Rg4
- 2.Sd7#
- 1...Rh4
- 2.Sd7#
- 1...Rd5
- 2.Sc4#
- 1...Rd6
- 2.Sc4#
- 1...Rd7
- 2.Sc4#
- 2.Sxd7#
- 1...Rd8+!
- 1...Rd1
- 1.Kc8?
- 1...Rc4+
- 2.Sxc4#
- 1...Rd1
- 2.Sc4#
- 1...Rd2
- 2.Sc4#
- 1...Rd3
- 2.Sc4#
- 1...Ra4
- 2.Sd7#
- 1...Rb4
- 2.Sd7#
- 1...Re4
- 2.Qf6#
- 1...Rf4
- 2.Qd5#
- 1...Rg4
- 2.Sd7#
- 1...Rh4
- 2.Sd7#
- 1...Rd5
- 2.Sc4#
- 1...Rd6
- 2.Sc4#
- 1...Rd7
- 2.Sc4#
- 2.Sxd7#
- 1...Rd8+!
- 1...Rc4+
- 1.Rh5+?
- 1...Kd6
- 2.Qf6#
- 1...Ke6!
- 1...Kd6
- 1.Rg6?
- 1...Rd7+
- 2.Sxd7#
- 1...Rd1
- 2.Sc4#
- 1...Rd2
- 2.Sc4#
- 1...Rd3
- 2.Sc4#
- 1...Ra4
- 2.Sd7#
- 1...Rc4
- 2.Sxc4#
- 2.Sd7#
- 1...Re4
- 2.Qf6#
- 1...Rf4
- 2.Qd5#
- 1...Rg4
- 2.Sd7#
- 1...Rh4
- 2.Sd7#
- 1...Rd5
- 2.Sc4#
- 1...Rd6
- 2.Sc4#
- 1...Rd8
- 2.Sc4#
- 1...Rb4!
- 1...Rd7+
- 1.a6?
- 1...Rd7+
- 2.Sxd7#
- 1...Rd1
- 2.Sc4#
- 1...Rd2
- 2.Sc4#
- 1...Rd3
- 2.Sc4#
- 1...Ra4
- 2.Sd7#
- 1...Rc4
- 2.Sxc4#
- 2.Sd7#
- 1...Re4
- 2.Qf6#
- 1...Rf4
- 2.Qd5#
- 1...Rg4
- 2.Sd7#
- 1...Rh4
- 2.Sd7#
- 1...Rd5
- 2.Sc4#
- 1...Rd6
- 2.Sc4#
- 1...Rd8
- 2.Sc4#
- 1...Rb4!
- 1...Rd7+
- 1.Ka6?
- Keys
- 1.Kc7!
- 1...Rc4+
- 2.Sxc4#
- 1...Rd7+
- 2.Sxd7#
- 1...Rd1
- 2.Sc4#
- 1...Rd2
- 2.Sc4#
- 1...Rd3
- 2.Sc4#
- 1...Ra4
- 2.Sd7#
- 1...Rb4
- 2.Sd7#
- 1...Re4
- 2.Qf6#
- 1...Rf4
- 2.Qd5#
- 1...Rg4
- 2.Sd7#
- 1...Rh4
- 2.Sd7#
- 1...Rd5
- 2.Sc4#
- 1...Rd6
- 2.Sc4#
- 1...Rd8
- 2.Sc4#
- 1...Rc4+
- 1.Kc7!
Anticipated by 219123(1988)
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(a);N_GUARD::S(C)
- R(a);SBLOCK::QAB1(A)
- R(a);N_GUARD,SBLOCK::QAR1(A)
- R(a);CHECK,N_GUARD::S(C),XR(a)
- Tries
- Try
- K(F);S_FLIGHT
- Vars
- R(a);N_GUARD::S(C)
- R(a);N_GUARD,P_PINP(B)::S(C)
- R(a);SBLOCK::QAB1(A)
- R(a);N_GUARD,SBLOCK::QAR1(A)
- Refutation
- R(a);P_PINS(C)
- Try
- K(F);S_FLIGHT
- Vars
- R(a);CHECK,N_GUARD::S(C),XR(a)
- R(a);N_GUARD::S(C)
- R(a);N_GUARD,SBLOCK::QAR1(A)
- Refutation
- R(a);CHECK
- Try
- K(F);S_FLIGHT
- Vars
- R(a);N_GUARD::S(C)
- R(a);SBLOCK::QAB1(A)
- R(a);N_GUARD,SBLOCK::QAR1(A)
- Refutation
- R(a);CHECK
- Try
- K(F);S_FLIGHT
- Vars
- R(a);CHECK,N_GUARD::S(C),XR(a)
- R(a);N_GUARD::S(C)
- R(a);SBLOCK::QAB1(A)
- R(a);N_GUARD,SBLOCK::QAR1(A)
- Refutation
- R(a);CHECK
- Try
- R(D);CHECK
- Vars
- K(b);S_FLIGHT::QAR2(A)
- Refutation
- K(b);P-FLIGHT
- Try
- R(D);
- Vars
- R(a);CHECK,N_GUARD::S(C),XR(a)
- R(a);N_GUARD::S(C)
- R(a);SBLOCK::QAB1(A)
- R(a);N_GUARD,SBLOCK::QAR1(A)
- Refutation
- R(a);P_PINS(C)
- Try
- P(B);
- Vars
- R(a);CHECK,N_GUARD::S(C),XR(a)
- R(a);N_GUARD::S(C)
- R(a);SBLOCK::QAB1(A)
- R(a);N_GUARD,SBLOCK::QAR1(A)
- Refutation
- R(a);P_PINS(C)
- Try
- Actual
- K(F);P-FLIGHT
- Vars
- R(a);CHECK,N_GUARD::S(C),XR(a)
- R(a);N_GUARD::S(C)
- R(a);SBLOCK::QAB1(A)
- R(a);N_GUARD,SBLOCK::QAR1(A)
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