MESON Chess Problem Database
Problem Display
PID: 149112 (b7/4N3/3QRp2/2pq1p1r/2pkp2b/1nR3B1/1K1nB2N/8 w - - 0 1)
Wissmann, Dolf
Probleemblad, 1981
#2
8 + 12
SOLUTION
- SOUND
- Sets
- 1...Rh6
- 2.Sxf5#
- 1...Rh7
- 2.Sxf5#
- 1...Rh8
- 2.Sxf5#
- 1...Bg5
- 2.Sxf5#
- 1...Bc6
- 2.Sxc6#
- 1...Rh6
- Tries
- 1.Bxh5?
- threat
- 2.Sxf5#
- 1...f4
- 2.Sf5#
- 1...Qxd6!
- threat
- 1.Bf2+?
- 1...e3
- 2.Bxe3#
- 1...Bxf2!
- 1...e3
- 1.Bf4?
- threat
- 2.Be3#
- 1...Bg5
- 2.Sxf5#
- 1...Sf1
- 2.Rxc4#
- 1...e3
- 2.Bxe3#
- 1...Bf2!
- threat
- 1.Rxe4+?
- 1...Kxe4
- 2.Qf4#
- 1...Sxe4
- 2.Sf3#
- 1...fxe4!
- 1...Kxe4
- 1.Bxh5?
- Keys
- 1.Qf4!
- threat
- 2.Qe3#
- 1...Bg5
- 2.Bf2#
- 1...Sf1
- 2.Sf3#
- threat
- 1.Qf4!
This is a version of 149113
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- R(j);N_GUARD::S(H),XP(i)
- B(f);S_CUTR(j)::S(H),XP(i)
- B(l);N_GUARD::S(H),XB(l)
- Tries
- Try
- B(B);XR(j)
- Threat
- S(H),XP(i)
- Vars
- P(i);::S(H)
- Refutation
- Q(h);N_SPINQ(h),XQ(F)
- Try
- B(E);CHECK
- Vars
- P(e);P_SPINP(e)::B(E),XP(e)
- Refutation
- B(f);XB(E)
- Try
- B(E);
- Threat
- B(E)
- Vars
- B(f);S_CUTR(j)::S(H),XP(i)
- S(a);N_GUARD::R1(D),XP(c)
- P(e);::B(E),XP(e)
- Refutation
- B(f);
- Try
- R(G);CHECK,XP(e)
- Vars
- K(d);N_SPINQ(h),P-FLIGHT,XR(G)::QAR1(F)
- S(a);SBLOCK,XR(G)::S(C)
- Refutation
- P(i);XR(G)
- Try
- Actual
- Q(F);N_PINQ(h),P_PINP(e)
- Threat
- QAB1(F)
- Vars
- B(f);N_GUARD::B(E)
- S(a);N_GUARD::S(C)
Developed and maintained by Brian Stephenson.
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