MESON Chess Problem Database
Problem Display
PID: 109992 (8/Bbp1r3/R2p2p1/2P1p1Pp/3R3K/6N1/3P1kp1/3Q4 w - - 0 1)
Haring, Jacobus
Interpolis TT, 1978
#2
9 + 9
| 102 | Probleemblad | 1979 |
| 6490 | yacpdb | 2009 |
| 56 | The Problemist | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Be4
- 2.Sxe4#
- 1...Bxa6
- 2.Se4#
- 1...Bc8
- 2.Se4#
- 1...g1Q
- 2.Qe2#
- 1...g1S
- 2.Qf1#
- 1...g1B
- 2.Qe2#
- 2.Qf1#
- 1...g1R
- 2.Qe2#
- 1...d5
- 2.Rf6#
- 1...c6
- 2.Se4#
- 1...Be4
- Tries
- 1.Rd3?
- threat
- 2.c6#
- 1...dxc5
- 2.Bxc5#
- 1...g1Q
- 2.Qe2#
- 1...g1S
- 2.Qf1#
- 1...g1B
- 2.Qe2#
- 2.Qf1#
- 1...g1R
- 2.Qe2#
- 1...Bc6
- 2.cxd6#
- 1...d5
- 2.Rf3#
- 2.Rf6#
- 1...c6
- 2.Se4#
- 2.Rf3#
- 1...e4!
- threat
- 1.Rda4?
- threat
- 2.c6#
- 1...dxc5
- 2.Bxc5#
- 1...g1Q
- 2.Qe2#
- 1...g1S
- 2.Qf1#
- 1...g1B
- 2.Qe2#
- 2.Qf1#
- 1...g1R
- 2.Qe2#
- 1...Bc6
- 2.cxd6#
- 1...d5
- 2.Rf6#
- 1...c6
- 2.Se4#
- 1...e4!
- threat
- 1.Rb4?
- threat
- 2.c6#
- 1...dxc5
- 2.Bxc5#
- 1...g1Q
- 2.Qe2#
- 1...g1S
- 2.Qf1#
- 1...g1B
- 2.Qe2#
- 2.Qf1#
- 1...g1R
- 2.Qe2#
- 1...Bc6
- 2.cxd6#
- 1...d5
- 2.Rf6#
- 1...c6
- 2.Se4#
- 1...e4!
- threat
- 1.Rc4?
- threat
- 2.c6#
- 1...dxc5
- 2.Bxc5#
- 1...g1Q
- 2.Qe2#
- 1...g1S
- 2.Qf1#
- 1...g1B
- 2.Qe2#
- 2.Qf1#
- 1...g1R
- 2.Qe2#
- 1...Bc6
- 2.cxd6#
- 1...d5
- 2.Rf6#
- 1...c6
- 2.Se4#
- 1...e4!
- threat
- 1.Re4?
- threat
- 2.c6#
- 1...dxc5
- 2.Bxc5#
- 2.Rf6#
- 1...g1Q
- 2.Qe2#
- 1...g1S
- 2.Qf1#
- 1...g1B
- 2.Qe2#
- 2.Qf1#
- 1...g1R
- 2.Qe2#
- 1...Bc6
- 2.cxd6#
- 1...d5
- 2.Rf6#
- 1...c6!
- threat
- 1.Rf4+?
- 1...Bf3
- 2.Se4#
- 2.Rxf3#
- 2.c6#
- 1...exf4!
- 1...Bf3
- 1.Rd5?
- threat
- 2.Se4#
- 2.c6#
- 1...Bxd5
- 2.c6#
- 1...dxc5
- 2.Se4#
- 2.Bxc5#
- 2.Rf6#
- 1...g1Q
- 2.Qe2#
- 1...g1S
- 2.Qf1#
- 1...g1B
- 2.Qe2#
- 2.Qf1#
- 1...g1R
- 2.Qe2#
- 1...Bc6
- 2.Se4#
- 2.cxd6#
- 1...c6
- 2.Se4#
- 1...e4!
- threat
- 1.Rdxd6?
- threat
- 2.c6#
- 1...g1Q
- 2.Qe2#
- 1...g1S
- 2.Qf1#
- 1...g1B
- 2.Qe2#
- 2.Qf1#
- 1...g1R
- 2.Qe2#
- 1...e4
- 2.Rf6#
- 1...c6
- 2.Se4#
- 2.Rf6#
- 1...Bc6!
- threat
- 1.Ra1?
- threat
- 2.Qe2#
- 1...g1S
- 2.Qf1#
- 1...Bf3
- 2.Qe1#
- 2.Qg1#
- 1...Ba6
- 2.Se4#
- 1...exd4!
- threat
- 1.Qe1+?
- 1...Kf3
- 2.Ra3#
- 2.Qe2#
- 2.Qe3#
- 1...Kxe1!
- 1...Kf3
- 1.Qg1+?
- 1...Kf3
- 2.Ra3#
- 2.Qe3#
- 1...Kxg1!
- 1...Kf3
- 1.c6?
- threat
- 2.Se4#
- 2.Rd3#
- 2.Rda4#
- 2.Rb4#
- 2.Rc4#
- 2.Re4#
- 2.Rf4#
- 2.Rg4#
- 2.Rd5#
- 2.Rxd6#
- 1...Bxc6
- 2.Rd3#
- 2.Rda4#
- 2.Rb4#
- 2.Rc4#
- 2.Re4#
- 2.Rf4#
- 2.Rg4#
- 2.Rd5#
- 2.Rxd6#
- 1...g1Q
- 2.Qe2#
- 1...g1S
- 2.Qf1#
- 1...g1B
- 2.Qe2#
- 2.Qf1#
- 1...g1R
- 2.Qe2#
- 1...e4
- 2.Rxe4#
- 1...d5
- 2.Rf4#
- 2.Rxd5#
- 1...exd4!
- threat
- 1.Rd3?
- Keys
- 1.Rg4!
- threat
- 2.c6#
- 1...dxc5
- 2.Bxc5#
- 1...g1Q
- 2.Qe2#
- 1...g1S
- 2.Qf1#
- 1...g1B
- 2.Qe2#
- 2.Qf1#
- 1...g1R
- 2.Qe2#
- 1...e4
- 2.Rf4#
- 1...Bc6
- 2.cxd6#
- 1...d5
- 2.Rf6#
- 1...c6
- 2.Se4#
- threat
- 1.Rg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- B(g);N_GUARD::S(C),XB(g)
- B(g);N_GUARD,XR(H)::S(C)
- B(g);N_GUARD::S(C)
- P(b);SBLOCK::QAR1(A)
- P(b);N_GUARD::QAR1(A)
- P(e);OGATE::R(H)
- P(h);S_CUTB(g)::S(C)
- Tries
- Try
- R(D);
- Threat
- B(I)+P(F)
- Vars
- P(e);OGATE,P_SPINP(e),XP(F)::B(I),XP(e)
- P(b);SBLOCK::QAR1(A)
- P(b);N_GUARD::QAR1(A)
- B(g);S_CUTP(h)::B(I)+P(F),XP(e)
- Refutation
- P(c);
- Try
- R(D);
- Threat
- B(I)+P(F)
- Vars
- P(e);OGATE,P_SPINP(e),XP(F)::B(I),XP(e)
- P(b);SBLOCK::QAR1(A)
- P(b);N_GUARD::QAR1(A)
- B(g);S_CUTP(h)::B(I)+P(F),XP(e)
- P(e);OGATE::R(H)
- P(h);S_CUTB(g)::S(C)
- Refutation
- P(c);
- Try
- R(D);
- Threat
- B(I)+P(F)
- Vars
- P(e);OGATE,P_SPINP(e),XP(F)::B(I),XP(e)
- P(b);SBLOCK::QAR1(A)
- P(b);N_GUARD::QAR1(A)
- B(g);S_CUTP(h)::B(I)+P(F),XP(e)
- P(e);OGATE::R(H)
- P(h);S_CUTB(g)::S(C)
- Refutation
- P(c);
- Try
- R(D);
- Threat
- B(I)+P(F)
- Vars
- P(e);OGATE,P_SPINP(e),XP(F)::B(I),XP(e)
- P(b);SBLOCK::QAR1(A)
- P(b);N_GUARD::QAR1(A)
- B(g);S_CUTP(h)::B(I)+P(F),XP(e)
- P(e);OGATE::R(H)
- P(h);S_CUTB(g)::S(C)
- Refutation
- P(c);
- Try
- R(D);
- Threat
- B(I)+P(F)
- Vars
- P(b);SBLOCK::QAR1(A)
- P(b);N_GUARD::QAR1(A)
- B(g);S_CUTP(h)::B(I)+P(F),XP(e)
- P(e);OGATE::R(H)
- Refutation
- P(h);
- Try
- R(D);CHECK
- Refutation
- P(c);XR(D)
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- B(g);XR(D)::B(I)+P(F)
- P(b);SBLOCK::QAR1(A)
- P(b);N_GUARD::QAR1(A)
- P(h);::S(C)
- Refutation
- P(c);
- Try
- R(D);XP(e)
- Threat
- B(I)+P(F)
- Vars
- P(b);SBLOCK::QAR1(A)
- P(b);N_GUARD::QAR1(A)
- P(c);S_CUTB(g)::R(D)
- Refutation
- B(g);
- Try
- R(H);
- Threat
- QAR1(A)
- Vars
- P(b);N_GUARD::QAR1(A)
- B(g);N_GUARD::S(C)
- Refutation
- P(c);XR(D)
- Try
- Q(A);CHECK
- Refutation
- K(a);S_FLIGHT,XQ(A)
- Try
- Q(A);CHECK
- Refutation
- K(a);S_FLIGHT,XQ(A)
- Try
- P(F);
- Threat
- DUALS(10)
- Vars
- P(b);SBLOCK::QAR1(A)
- P(b);N_GUARD::QAR1(A)
- P(c);::B(I)+R(D),XP(c)
- Refutation
- P(c);P_SPINP(c),XR(D)
- Try
- Actual
- R(D);
- Threat
- B(I)+P(F)
- Vars
- P(e);OGATE,P_SPINP(e),XP(F)::B(I),XP(e)
- P(b);SBLOCK::QAR1(A)
- P(b);N_GUARD::QAR1(A)
- P(c);N_GUARD,S_CUTB(g)::R(D)
- B(g);S_CUTP(h)::B(I)+P(F),XP(e)
- P(e);OGATE::R(H)
- P(h);S_CUTB(g)::S(C)
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