MESON Chess Problem Database
Problem Display
PID: 93212 (8/pQ3N2/R1p2n1q/p1k3P1/2PR4/7r/BB1b4/KnN1r2b w - - 0 1)
Knuppert, Hugo
Skakbladet, 1938
#2
10 + 11
| 6490 | yacpdb | 2009 |
| 133 | The Problemist Supplement | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Rxc1
- 2.Qe7#
- 1...Rd1
- 2.Qe7#
- 1...Rf1
- 2.Qe7#
- 1...Rg1
- 2.Qe7#
- 1...Re4
- 2.Rxc6#
- 1...Re7
- 2.Qxe7#
- 1...Rh2
- 2.Sb3#
- 2.Sd3#
- 1...Rb3
- 2.Sxb3#
- 1...Rd3
- 2.Sxd3#
- 1...Rf3
- 2.Rxc6#
- 1...Rh4
- 2.Sb3#
- 2.Sd3#
- 1...Rh5
- 2.Sb3#
- 2.Sd3#
- 1...Bf3
- 2.Sb3#
- 2.Sd3#
- 1...Be4
- 2.Qe7#
- 1...Bxc1
- 2.Rxa5#
- 1...Bc3
- 2.Sb3#
- 1...Be3
- 2.Sb3#
- 2.Sd3#
- 2.Rxa5#
- 2.Qe7#
- 1...Bb4
- 2.Qxa7#
- 1...Bf4
- 2.Rxa5#
- 1...Bxg5
- 2.Rxa5#
- 1...Rxc1
- Tries
- 1.Rxd2?
- threat
- 2.Bd4#
- 2.Rxa5#
- 1...Sxd2
- 2.Rxa5#
- 1...Qh4
- 2.Rxa5#
- 1...Re4
- 2.Rxa5#
- 2.Rxc6#
- 1...Ra3
- 2.Bd4#
- 1...Rc3
- 2.Rxa5#
- 1...Rd3
- 2.Sxd3#
- 2.Rxa5#
- 1...Rh4
- 2.Sd3#
- 2.Rxa5#
- 1...Sa3
- 2.Bd4#
- 1...Sc3
- 2.Ba3#
- 1...a4
- 2.Bd4#
- 2.Ra5#
- 1...Rb3!
- threat
- 1.Re4?
- threat
- 2.Bd4#
- 2.Rxc6#
- 2.Qe7#
- 1...Rxe4
- 2.Rxc6#
- 1...Bxe4
- 2.Qe7#
- 1...Qf8
- 2.Bd4#
- 2.Rxc6#
- 1...Rb3
- 2.Sxb3#
- 2.Rxc6#
- 2.Qe7#
- 1...Rc3
- 2.Rxa5#
- 2.Rxc6#
- 2.Qe7#
- 1...Rd3
- 2.Sxd3#
- 2.Rxc6#
- 1...Bc3
- 2.Sb3#
- 2.Rxc6#
- 2.Qe7#
- 1...Be3
- 2.Sb3#
- 2.Sd3#
- 2.Rxa5#
- 2.Rxc6#
- 2.Qe7#
- 1...Bf4
- 2.Bd4#
- 2.Rxa5#
- 2.Rxc6#
- 1...Sc3
- 2.Ba3#
- 2.Rxc6#
- 2.Qe7#
- 1...Sg4
- 2.Bd4#
- 1...Sd5
- 2.Bd4#
- 1...Sh5
- 2.Bd4#
- 1...Sd7
- 2.Bd4#
- 1...Sh7
- 2.Bd4#
- 1...Se8
- 2.Bd4#
- 1...Sg8
- 2.Bd4#
- 1...Sxe4!
- threat
- 1.Qxc6+?
- 1...Kb4
- 2.Qb5#
- 2.c5#
- 1...Bxc6!
- 1...Kb4
- 1.Rxd2?
- Keys
- 1.Rf4!
- threat
- 2.Bd4#
- 1...Bxf4
- 2.Rxa5#
- 1...Re4
- 2.Rxc6#
- 1...Rb3
- 2.Sxb3#
- 1...Rc3
- 2.Rxa5#
- 1...Rd3
- 2.Sxd3#
- 1...Be4
- 2.Qe7#
- 1...Bc3
- 2.Sb3#
- 1...Be3
- 2.Sb3#
- 2.Sd3#
- 2.Rxa5#
- 2.Qe7#
- 1...Sc3
- 2.Ba3#
- 1...Se4
- 2.Rf5#
- threat
- 1.Rf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 9
- Sets
- R(b);N_GUARD,XS(B)::QAB(I)
- R(b);N_GUARD::QAB(I)
- R(b);S_CUTB(c)::R1(H),XP(h)
- R(b);N_GUARD::QAB(I),XR(b)
- R(e);N_GUARD::S(B),XR(e)
- R(e);S_CUTB(c)::R1(H),XP(h)
- B(c);S_CUTR(b)::QAB(I)
- B(d);N_GUARD,XS(B)::R(H),XP(f)
- B(d);P_PINB(D),S_CUTR(e)::S(B)
- B(d);SBLOCK::QAB(I),XP(k)
- B(d);N_GUARD::R(H),XP(f)
- B(d);N_GUARD,XP(G)::R(H),XP(f)
- Tries
- Try
- R(F);XB(d)
- Threat
- DUALS(2)
- Vars
- S(a);P_PINS(B),XR(F)::R(H),XP(f)
- Q(j);::R(H),XP(f)
- R(e);P_PINB(C)::B(D)
- R(e);::R(H),XP(f)
- S(a);P_PINS(B)::B(D)
- S(a);N_GUARD,P_PINS(B),S_CUTR(e)::B(D)
- Refutation
- R(e);
- Try
- R(F);
- Threat
- DUALS(3)
- Vars
- R(b);XR(F)::R1(H),XP(h)
- B(c);XR(F)::QAB(I)
- S(i);::B(D)
- Refutation
- S(i);XR(F)
- Try
- Q(I);CHECK,XP(h)
- Refutation
- B(c);XQ(I)
- Try
- Actual
- R(F);
- Threat
- B(D)
- Vars
- B(d);N_GUARD,XR(F)::R(H),XP(f)
- R(b);S_CUTB(c)::R1(H),XP(h)
- R(e);N_GUARD::S(B),XR(e)
- R(e);S_CUTB(d)::R(H),XP(f)
- B(c);S_CUTR(b)::QAB(I)
- B(d);P_PINB(D),S_CUTR(e)::S(B)
- S(a);N_GUARD,P_PINS(B),S_CUTB(d),S_CUTR(e)::B(D)
- S(i);N_GUARD,S_CUTB(c),S_CUTR(b)::R(F)
Developed and maintained by Brian Stephenson.
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CSS/Javascript (jQuery, Bootstrap & DataTables).