MESON Chess Problem Database
Problem Display
PID: 232089 (8/1Q6/3p2K1/3npRP1/4kP2/2P1p3/1b2N3/1b1B1R2 w - - 0 1)
Jespersen, Karl Lorenz Jesper
Pen & Pencil, 1889
(First published on Sat Sep 14 1889)
#2
9 + 7
| 15239 | Valois Notebooks | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Kd3
- 2.Qxd5#
- 1...Ba2
- 2.Bc2#
- 1...Bc2
- 2.Bxc2#
- 1...Bd3
- 2.Sg3#
- 1...Ba1
- 2.Qxb1#
- 1...Bc1
- 2.Qxb1#
- 1...Ba3
- 2.Qxb1#
- 1...Bxc3
- 2.Qxb1#
- 1...exf4
- 2.Qxd5#
- 1...Kd3
- Tries
- 1.Kh5?
- 1...Kd3
- 2.Qxd5#
- 1...Bxc3
- 2.Qxb1#
- 1...exf4
- 2.Qxd5#
- 1...Ba2
- 2.Bc2#
- 1...Bc2
- 2.Bxc2#
- 1...Bd3
- 2.Sg3#
- 1...Ba1
- 2.Qxb1#
- 1...Bc1
- 2.Qxb1#
- 1...Ba3
- 2.Qxb1#
- 1...Kxf5!
- 1...Kd3
- 1.Kh6?
- 1...Kd3
- 2.Qxd5#
- 1...Bxc3
- 2.Qxb1#
- 1...exf4
- 2.Qxd5#
- 1...Ba2
- 2.Bc2#
- 1...Bc2
- 2.Bxc2#
- 1...Bd3
- 2.Sg3#
- 1...Ba1
- 2.Qxb1#
- 1...Bc1
- 2.Qxb1#
- 1...Ba3
- 2.Qxb1#
- 1...Kxf5!
- 1...Kd3
- 1.Kg7?
- 1...Kd3
- 2.Qxd5#
- 1...Bxc3
- 2.Qxb1#
- 1...exf4
- 2.Qxd5#
- 1...Ba2
- 2.Bc2#
- 1...Bc2
- 2.Bxc2#
- 1...Bd3
- 2.Sg3#
- 1...Ba1
- 2.Qxb1#
- 1...Bc1
- 2.Qxb1#
- 1...Ba3
- 2.Qxb1#
- 1...Kxf5!
- 1...Kd3
- 1.Kh7?
- 1...Kd3
- 2.Qxd5#
- 1...Bxc3
- 2.Qxb1#
- 1...exf4
- 2.Qxd5#
- 1...Ba2
- 2.Bc2#
- 1...Bc2
- 2.Bxc2#
- 1...Bd3
- 2.Sg3#
- 1...Ba1
- 2.Qxb1#
- 1...Bc1
- 2.Qxb1#
- 1...Ba3
- 2.Qxb1#
- 1...Kxf5!
- 1...Kd3
- 1.Ba4?
- 1...Bxc3
- 2.Qxb1#
- 1...exf4
- 2.Qxd5#
- 1...Ba2
- 2.Bc2#
- 1...Bc2
- 2.Bxc2#
- 1...Bd3
- 2.Sg3#
- 1...Ba1
- 2.Qxb1#
- 1...Bc1
- 2.Qxb1#
- 1...Ba3
- 2.Qxb1#
- 1...Kd3!
- 1...Bxc3
- 1.Rf2?
- 1...Kd3
- 2.Qxd5#
- 1...Bxc3
- 2.Qxb1#
- 1...exf4
- 2.Qxd5#
- 1...Ba2
- 2.Bc2#
- 1...Bc2
- 2.Bxc2#
- 1...Bd3
- 2.Sg3#
- 1...Ba1
- 2.Qxb1#
- 1...Bc1
- 2.Qxb1#
- 1...Ba3
- 2.Qxb1#
- 1...exf2!
- 1...Kd3
- 1.Rxe5+?
- 1...Kd3
- 2.Qxd5#
- 1...dxe5!
- 1...Kd3
- 1.Rf6?
- 1...Kd3
- 2.Qxd5#
- 1...Bxc3
- 2.Qxb1#
- 1...Ba2
- 2.Bc2#
- 1...Bc2
- 2.Bxc2#
- 1...Bd3
- 2.Sg3#
- 1...Ba1
- 2.Qxb1#
- 1...Bc1
- 2.Qxb1#
- 1...Ba3
- 2.Qxb1#
- 1...exf4!
- 1...Kd3
- 1.Rf7?
- 1...Kd3
- 2.Qxd5#
- 1...Bxc3
- 2.Qxb1#
- 1...Ba2
- 2.Bc2#
- 1...Bc2
- 2.Bxc2#
- 1...Bd3
- 2.Sg3#
- 1...Ba1
- 2.Qxb1#
- 1...Bc1
- 2.Qxb1#
- 1...Ba3
- 2.Qxb1#
- 1...exf4!
- 1...Kd3
- 1.Rf8?
- 1...Kd3
- 2.Qxd5#
- 1...Bxc3
- 2.Qxb1#
- 1...Ba2
- 2.Bc2#
- 1...Bc2
- 2.Bxc2#
- 1...Bd3
- 2.Sg3#
- 1...Ba1
- 2.Qxb1#
- 1...Bc1
- 2.Qxb1#
- 1...Ba3
- 2.Qxb1#
- 1...exf4!
- 1...Kd3
- 1.Qc6?
- threat
- 2.Qc4#
- 1...Kd3
- 2.Qxd5#
- 1...Ba2
- 2.Bc2#
- 1...Bd3
- 2.Sg3#
- 1...Bxc3!
- threat
- 1.c4?
- threat
- 2.Qxd5#
- 1...Bd4
- 2.Qxb1#
- 1...Kd3!
- threat
- 1.fxe5?
- 1...Kd3
- 2.Qxd5#
- 1...Bxc3
- 2.Qxb1#
- 1...Ba2
- 2.Bc2#
- 1...Bc2
- 2.Bxc2#
- 1...Bd3
- 2.Sg3#
- 2.R1f4#
- 1...Ba1
- 2.Qxb1#
- 1...Bc1
- 2.Qxb1#
- 1...Ba3
- 2.Qxb1#
- 1...dxe5!
- 1...Kd3
- 1.Kh5?
- Keys
- 1.Kf7!
- 1...Kd3
- 2.Qxd5#
- 1...Kxf5
- 2.Sg3#
- 1...Bxc3
- 2.Qxb1#
- 1...exf4
- 2.Qxd5#
- 1...Ba2
- 2.Bc2#
- 1...Bc2
- 2.Bxc2#
- 1...Bd3
- 2.Sg3#
- 1...Ba1
- 2.Qxb1#
- 1...Bc1
- 2.Qxb1#
- 1...Ba3
- 2.Qxb1#
- 1...Kd3
- 1.Kf7!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(d);N_SPINS(e),S_FLIGHT::QAR2(I),XS(e)
- B(a);N_GUARD::B(A)
- B(a);N_GUARD::B(A),XB(a)
- B(a);SBLOCK::S(C)
- B(b);OGATE::QAB(I),XB(a)
- B(b);OGATE,XP(D)::QAB(I),XB(a)
- P(f);XP(E)::QAB1(I),XS(e)
- Tries
- Try
- K(H);S_FLIGHT
- Vars
- K(d);N_SPINS(e),S_FLIGHT::QAR2(I),XS(e)
- B(b);OGATE,XP(D)::QAB(I),XB(a)
- P(f);XP(E)::QAB1(I),XS(e)
- B(a);N_GUARD::B(A)
- B(a);N_GUARD::B(A),XB(a)
- B(a);SBLOCK::S(C)
- B(b);OGATE::QAB(I),XB(a)
- Refutation
- K(d);N_SPINS(e),S_FLIGHT,XR(F)
- Try
- K(H);P-FLIGHT
- Vars
- K(d);N_SPINS(e),S_FLIGHT::QAR2(I),XS(e)
- B(b);OGATE,XP(D)::QAB(I),XB(a)
- P(f);XP(E)::QAB1(I),XS(e)
- B(a);N_GUARD::B(A)
- B(a);N_GUARD::B(A),XB(a)
- B(a);SBLOCK::S(C)
- B(b);OGATE::QAB(I),XB(a)
- Refutation
- K(d);N_SPINS(e),S_FLIGHT,XR(F)
- Try
- K(H);P-FLIGHT
- Vars
- K(d);N_SPINS(e),S_FLIGHT::QAR2(I),XS(e)
- B(b);OGATE,XP(D)::QAB(I),XB(a)
- P(f);P_PINP(D),XP(E)::QAB1(I),XS(e)
- B(a);N_GUARD::B(A)
- B(a);N_GUARD::B(A),XB(a)
- B(a);SBLOCK::S(C)
- B(b);OGATE::QAB(I),XB(a)
- Refutation
- K(d);N_SPINS(e),S_FLIGHT,XR(F)
- Try
- K(H);S_FLIGHT
- Vars
- K(d);N_SPINS(e),S_FLIGHT::QAR2(I),XS(e)
- B(b);OGATE,XP(D)::QAB(I),XB(a)
- P(f);XP(E)::QAB1(I),XS(e)
- B(a);N_GUARD::B(A)
- B(a);N_GUARD::B(A),XB(a)
- B(a);SBLOCK::S(C)
- B(b);OGATE::QAB(I),XB(a)
- Refutation
- K(d);N_SPINS(e),S_FLIGHT,XR(F)
- Try
- B(A);
- Vars
- B(b);OGATE,XP(D)::QAB(I),XB(a)
- P(f);XP(E)::QAB1(I),XS(e)
- B(a);N_GUARD::B(A)
- B(a);N_GUARD::B(A),XB(a)
- B(a);SBLOCK::S(C)
- B(b);OGATE::QAB(I),XB(a)
- Refutation
- K(d);N_SPINS(e),S_FLIGHT
- Try
- R(B);
- Vars
- K(d);N_SPINS(e),S_FLIGHT::QAR2(I),XS(e)
- B(b);OGATE,XP(D)::QAB(I),XB(a)
- P(f);XP(E)::QAB1(I),XS(e)
- B(a);N_GUARD::B(A)
- B(a);N_GUARD::B(A),XB(a)
- B(a);SBLOCK::S(C)
- B(b);OGATE::QAB(I),XB(a)
- Refutation
- P(c);XR(B)
- Try
- R(F);CHECK,XP(f)
- Vars
- K(d);N_SPINS(e),S_FLIGHT::QAR2(I),XS(e)
- Refutation
- P(g);XR(F)
- Try
- R(F);
- Vars
- K(d);N_SPINS(e),S_FLIGHT::QAR2(I),XS(e)
- B(b);OGATE,XP(D)::QAB(I),XB(a)
- B(a);N_GUARD::B(A)
- B(a);N_GUARD::B(A),XB(a)
- B(a);SBLOCK::S(C)
- B(b);OGATE::QAB(I),XB(a)
- Refutation
- P(f);XP(E)
- Try
- R(F);
- Vars
- K(d);N_SPINS(e),S_FLIGHT::QAR2(I),XS(e)
- B(b);OGATE,XP(D)::QAB(I),XB(a)
- B(a);N_GUARD::B(A)
- B(a);N_GUARD::B(A),XB(a)
- B(a);SBLOCK::S(C)
- B(b);OGATE::QAB(I),XB(a)
- Refutation
- P(f);XP(E)
- Try
- R(F);
- Vars
- K(d);N_SPINS(e),S_FLIGHT::QAR2(I),XS(e)
- B(b);OGATE,XP(D)::QAB(I),XB(a)
- B(a);N_GUARD::B(A)
- B(a);N_GUARD::B(A),XB(a)
- B(a);SBLOCK::S(C)
- B(b);OGATE::QAB(I),XB(a)
- Refutation
- P(f);XP(E)
- Try
- Q(I);
- Threat
- QAR2(I)
- Vars
- K(d);N_SPINS(e),S_FLIGHT::QAR2(I),XS(e)
- B(a);N_GUARD::B(A)
- B(a);SBLOCK::S(C)
- Refutation
- B(b);XP(D)
- Try
- P(D);
- Threat
- QAB1(I),XS(e)
- Vars
- B(b);OGATE::QAB(I),XB(a)
- Refutation
- K(d);N_SPINS(e),S_FLIGHT
- Try
- P(E);XP(f)
- Vars
- K(d);N_SPINS(e),S_FLIGHT::QAR2(I),XS(e)
- B(b);OGATE,XP(D)::QAB(I),XB(a)
- B(a);N_GUARD::B(A)
- B(a);N_GUARD::B(A),XB(a)
- B(b);OGATE::QAB(I),XB(a)
- Refutation
- P(g);XP(E)
- Try
- Actual
- K(H);S_FLIGHT
- Vars
- K(d);N_SPINS(e),S_FLIGHT::QAR2(I),XS(e)
- K(d);N_SPINS(e),S_FLIGHT,XR(F)::S(C)
- B(b);OGATE,XP(D)::QAB(I),XB(a)
- P(f);XP(E)::QAB1(I),XS(e)
- B(a);N_GUARD::B(A)
- B(a);N_GUARD::B(A),XB(a)
- B(a);SBLOCK::S(C)
- B(b);OGATE::QAB(I),XB(a)
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