MESON Chess Problem Database
Problem Display
PID: 35373 (4R1K1/8/N7/1r2b3/5p2/N1Pk1B2/P2P4/n1Q5 w - - 0 1)
Knoppel, Jan Heribert
HM., Tidskrift for Schack 06. TT, 1944
#2
9 + 5
| 3680 | Jan Knoppel Udvalgte Skakproblemer | 1955 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Sc5#
- 1...Rb2
- 2.Sc5#
- 1...Rb3
- 2.Sc5#
- 1...Rb4
- 2.Sxb4#
- 2.Sc5#
- 1...Ra5
- 2.Sb4#
- 1...Rc5
- 2.Sb4#
- 2.Sxc5#
- 1...Rd5
- 2.Sb4#
- 1...Rb6
- 2.Sc5#
- 1...Rb7
- 2.Sc5#
- 1...Rb8
- 2.Sc5#
- 1...Bxc3
- 2.Qxc3#
- 1...Bd4
- 2.Be2#
- 1...Bd6
- 2.Be2#
- 1...Bf6
- 2.Be2#
- 1...Bc7
- 2.Be2#
- 1...Bg7
- 2.Be2#
- 1...Bb8
- 2.Be2#
- 1...Bh8
- 2.Be2#
- 1...Sc2
- 2.Qxc2#
- 1...Sb3
- 2.Qc2#
- 1...Rb1
- Tries
- 1.Kf7?
- 1...Bxc3
- 2.Qxc3#
- 1...Rb1
- 2.Sc5#
- 1...Rb2
- 2.Sc5#
- 1...Rb3
- 2.Sc5#
- 1...Rb4
- 2.Sxb4#
- 2.Sc5#
- 1...Ra5
- 2.Sb4#
- 1...Rc5
- 2.Sb4#
- 2.Sxc5#
- 1...Rd5
- 2.Sb4#
- 1...Rb6
- 2.Sc5#
- 1...Rb8
- 2.Sc5#
- 1...Bd4
- 2.Be2#
- 1...Bd6
- 2.Be2#
- 1...Bf6
- 2.Be2#
- 1...Bc7
- 2.Be2#
- 1...Bg7
- 2.Be2#
- 1...Bb8
- 2.Be2#
- 1...Bh8
- 2.Be2#
- 1...Sc2
- 2.Qxc2#
- 1...Sb3
- 2.Qc2#
- 1...Rb7+!
- 1...Bxc3
- 1.Kh7?
- 1...Bxc3
- 2.Qxc3#
- 1...Rb1
- 2.Sc5#
- 1...Rb2
- 2.Sc5#
- 1...Rb3
- 2.Sc5#
- 1...Rb4
- 2.Sxb4#
- 2.Sc5#
- 1...Ra5
- 2.Sb4#
- 1...Rc5
- 2.Sb4#
- 2.Sxc5#
- 1...Rd5
- 2.Sb4#
- 1...Rb6
- 2.Sc5#
- 1...Rb8
- 2.Sc5#
- 1...Bd4
- 2.Be2#
- 1...Bd6
- 2.Be2#
- 1...Bf6
- 2.Be2#
- 1...Bc7
- 2.Be2#
- 1...Bg7
- 2.Be2#
- 1...Bb8
- 2.Be2#
- 1...Bh8
- 2.Be2#
- 1...Sc2
- 2.Qxc2#
- 1...Sb3
- 2.Qc2#
- 1...Rb7+!
- 1...Bxc3
- 1.Rxe5?
- threat
- 2.Be2#
- 1...Rxe5
- 2.Sb4#
- 1...Rb8+!
- threat
- 1.Re6?
- 1...Bxc3
- 2.Qxc3#
- 1...Rb2
- 2.Sc5#
- 1...Rb1
- 2.Sc5#
- 1...Rb3
- 2.Sc5#
- 1...Rb4
- 2.Sxb4#
- 2.Sc5#
- 1...Ra5
- 2.Sb4#
- 1...Rc5
- 2.Sb4#
- 2.Sxc5#
- 1...Rd5
- 2.Sb4#
- 1...Rb6
- 2.Sc5#
- 1...Rb7
- 2.Sc5#
- 1...Bd4
- 2.Be2#
- 1...Bd6
- 2.Be2#
- 1...Bf6
- 2.Be2#
- 1...Bc7
- 2.Be2#
- 1...Bg7
- 2.Be2#
- 1...Bb8
- 2.Be2#
- 1...Bh8
- 2.Be2#
- 1...Sc2
- 2.Qxc2#
- 1...Sb3
- 2.Qc2#
- 1...Rb8+!
- 1...Bxc3
- 1.Re7?
- 1...Bxc3
- 2.Qxc3#
- 1...Rb2
- 2.Sc5#
- 1...Rb1
- 2.Sc5#
- 1...Rb3
- 2.Sc5#
- 1...Rb4
- 2.Sxb4#
- 2.Sc5#
- 1...Ra5
- 2.Sb4#
- 1...Rc5
- 2.Sb4#
- 2.Sxc5#
- 1...Rd5
- 2.Sb4#
- 1...Rb6
- 2.Sc5#
- 1...Rb7
- 2.Sc5#
- 1...Bd4
- 2.Be2#
- 1...Bd6
- 2.Be2#
- 1...Bf6
- 2.Be2#
- 1...Bc7
- 2.Be2#
- 1...Bg7
- 2.Be2#
- 1...Bb8
- 2.Be2#
- 1...Bh8
- 2.Be2#
- 1...Sc2
- 2.Qxc2#
- 1...Sb3
- 2.Qc2#
- 1...Rb8+!
- 1...Bxc3
- 1.Rd8+?
- 1...Rd5
- 2.Sb4#
- 2.Sc5#
- 1...Bd4
- 2.Rxd4#
- 1...Bd6!
- 1...Rd5
- 1.Qb2?
- 1...Bxc3
- 2.Qxc3#
- 1...Sc2
- 2.Qxc2#
- 1...Rb3
- 2.Sc5#
- 1...Rb4
- 2.Sxb4#
- 2.Sc5#
- 1...Ra5
- 2.Sb4#
- 1...Rc5
- 2.Sb4#
- 2.Sxc5#
- 1...Rd5
- 2.Sb4#
- 1...Rb6
- 2.Sc5#
- 1...Rb7
- 2.Sc5#
- 1...Rb8
- 2.Sc5#
- 1...Bd4
- 2.Be2#
- 1...Bd6
- 2.Be2#
- 1...Bf6
- 2.Be2#
- 1...Bc7
- 2.Be2#
- 1...Bg7
- 2.Be2#
- 1...Bb8
- 2.Be2#
- 1...Bh8
- 2.Be2#
- 1...Sb3
- 2.Qc2#
- 1...Rxb2!
- 1...Bxc3
- 1.Qe1?
- threat
- 2.Be4#
- 2.Qe2#
- 1...Rb4
- 2.Sxb4#
- 2.Sc5#
- 2.Qe2#
- 1...Bxc3!
- threat
- 1.Kf7?
- Keys
- 1.Sc4!
- 1...Kxc4
- 2.Qf1#
- 1...Bxc3
- 2.Qxc3#
- 1...Rb1
- 2.Sxe5#
- 1...Rb2
- 2.Sxb2#
- 2.Sxe5#
- 1...Rb3
- 2.Sxe5#
- 1...Rb4
- 2.Sxe5#
- 1...Ra5
- 2.Sb2#
- 1...Rc5
- 2.Sb2#
- 1...Rd5
- 2.Sb2#
- 1...Rb6
- 2.Sxe5#
- 1...Rb7
- 2.Sxe5#
- 1...Rb8
- 2.Sxe5#
- 1...Bd4
- 2.Be2#
- 1...Bd6
- 2.Be2#
- 1...Bf6
- 2.Be2#
- 1...Bc7
- 2.Be2#
- 1...Bg7
- 2.Be2#
- 1...Bb8
- 2.Be2#
- 1...Bh8
- 2.Be2#
- 1...Sc2
- 2.Qf1#
- 1...Sb3
- 2.Sb2#
- 1...Kxc4
- 1.Sc4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 9
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- R(d);N_GUARD::S(G)
- R(d);N_GUARD,P_PINR(H)::S(G)
- B(e);OGATE,XP(E)::QAR1(A),XB(e)
- B(e);::B(F)
- S(a);N_GUARD::QAB1(A),XS(a)
- S(a);N_GUARD::QAB1(A)
- Tries
- Try
- K(I);S_FLIGHT
- Vars
- B(e);OGATE,XP(E)::QAR1(A),XB(e)
- R(d);N_GUARD::S(G)
- B(e);::B(F)
- S(a);N_GUARD::QAB1(A),XS(a)
- S(a);N_GUARD::QAB1(A)
- Refutation
- R(d);CHECK
- Try
- K(I);S_FLIGHT
- Vars
- B(e);OGATE,XP(E)::QAR1(A),XB(e)
- R(d);N_GUARD::S(G)
- B(e);::B(F)
- S(a);N_GUARD::QAB1(A),XS(a)
- S(a);N_GUARD::QAB1(A)
- Refutation
- R(d);CHECK
- Try
- R(H);XB(e)
- Threat
- B(F)
- Vars
- R(d);N_GUARD,XR(H)::S(G)
- Refutation
- R(d);CHECK
- Try
- R(H);
- Vars
- B(e);OGATE,XP(E)::QAR1(A),XB(e)
- R(d);N_GUARD::S(G)
- B(e);::B(F)
- S(a);N_GUARD::QAB1(A),XS(a)
- S(a);N_GUARD::QAB1(A)
- Refutation
- R(d);CHECK
- Try
- R(H);
- Vars
- B(e);OGATE,XP(E)::QAR1(A),XB(e)
- R(d);N_GUARD::S(G)
- B(e);::B(F)
- S(a);N_GUARD::QAB1(A),XS(a)
- S(a);N_GUARD::QAB1(A)
- Refutation
- R(d);CHECK
- Try
- R(H);CHECK
- Vars
- B(e);N_GUARD,P_SPINB(e)::R1(H),XB(e)
- Refutation
- B(e);P_SPINB(e)
- Try
- Q(A);
- Vars
- B(e);OGATE,XP(E)::QAR1(A),XB(e)
- S(a);N_GUARD::QAB1(A),XS(a)
- R(d);N_GUARD::S(G)
- R(d);N_GUARD,P_PINR(H)::S(G)
- B(e);::B(F)
- S(a);N_GUARD::QAB1(A)
- Refutation
- R(d);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(2)
- Refutation
- B(e);XP(E)
- Try
- Actual
- S(D);
- Vars
- K(b);S_FLIGHT,XS(D)::QAB(A)
- B(e);OGATE,XP(E)::QAR1(A),XB(e)
- R(d);N_GUARD::S(D),XB(e)
- R(d);N_GUARD::S(D)
- R(d);N_GUARD,P_PINR(H)::S(D),XB(e)
- B(e);::B(F)
- S(a);SBLOCK::QAB(A)
- S(a);S_CUTR(d)::S(D)
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