MESON Chess Problem Database
Problem Display
PID: 235688 (4K2b/3N1p2/4p3/R2p2N1/2Bkb1Q1/1PRp2r1/1P3Pn1/4r3 w - - 0 1)
Larsen, Lars Aksglade (= Aksglade, Lars)
Norsk Sjakkblad, 1984
#2
10 + 10
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rf3
- 2.Sxf3#
- 1...Se3
- 2.Rxd3#
- 1...dxc4
- 2.Rxc4#
- 1...e5
- 2.Rxd5#
- 1...f5
- 2.Sxe6#
- 1...f6
- 2.Sxe6#
- 1...Rf3
- Tries
- 1.Kxf7?
- threat
- 2.Sxe6#
- 1...Rf3+
- 2.Sxf3#
- 1...e5
- 2.Se6#
- 2.Rxd5#
- 1...Sf4!
- threat
- 1.Bb5?
- threat
- 2.Ra4#
- 1...Se3
- 2.Rxd3#
- 1...Ra1!
- threat
- 1.Bxd5?
- threat
- 2.Rc4#
- 1...exd5
- 2.Ra4#
- 1...Rc1
- 2.Qxe4#
- 1...Se3
- 2.Qxe4#
- 1...d2!
- threat
- 1.Ba6?
- threat
- 2.Ra4#
- 1...Se3
- 2.Rxd3#
- 1...Ra1!
- threat
- 1.Kxf7?
- Keys
- 1.Qxe6!
- threat
- 2.Qb6#
- 1...fxe6
- 2.Sxe6#
- 1...Bf3
- 2.Rxd3#
- 1...Bf5
- 2.Rxd5#
- 1...Bg6
- 2.Rxd5#
- 1...Bh7
- 2.Rxd5#
- threat
- 1.Qxe6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 6
- Sets
- R(d);N_GUARD::S(H),XR(d)
- S(b);S_CUTR(d)::R1(D),XP(c)
- P(g);OGATE,XB(E)::R1(D),XP(g)
- P(h);N_GUARD::R1(G),XP(g)
- P(i);N_GUARD::S(H),XP(h)
- Tries
- Try
- K(J);S_FLIGHT,XP(i)
- Threat
- S(H),XP(h)
- Vars
- R(d);CHECK,N_GUARD::S(H),XR(d)
- Refutation
- S(b);N_SPINB(f)
- Try
- B(E);
- Threat
- R(G)
- Vars
- S(b);S_CUTR(d)::R1(D),XP(c)
- Refutation
- R(a);
- Try
- B(E);XP(g)
- Threat
- R1(D)
- Vars
- P(h);SBLOCK,XB(E)::R(G)
- R(a);N_GUARD::QAR1(F),XB(f)
- S(b);S_CUTR(a)::QAR1(F),XB(f)
- Refutation
- P(c);
- Try
- B(E);
- Threat
- R(G)
- Vars
- S(b);S_CUTR(d)::R1(D),XP(c)
- Refutation
- R(a);
- Try
- Actual
- Q(F);N_PINB(f),XP(h)
- Threat
- QAB(F)
- Vars
- P(i);XQ(F)::S(H),XP(i)
- B(f);N_GUARD,P_PINQ(F),S_CUTR(d)::R1(D),XP(c)
- B(f);N_GUARD,P_PINQ(F)::R1(G),XP(g)
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