MESON Chess Problem Database
Problem Display
PID: 18952 (8/n5n1/8/r2k2rp/1P3Q2/4R3/2R4K/5B2 w - - 0 1)
Haring, Jacobus
1st Prize, Springaren, 1959
#2
6 + 6
| 3310 | 2345 Chess Problems | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Rc5#
- 1...Ra3
- 2.Rc5#
- 1...Ra4
- 2.Rc5#
- 1...Rc5
- 2.Rxc5#
- 1...Ra6
- 2.Rc5#
- 1...Rg1
- 2.Qe5#
- 1...Rg2+
- 2.Bxg2#
- 1...Rg3
- 2.Qe5#
- 1...Rg4
- 2.Qe5#
- 1...Re5
- 2.Qxe5#
- 1...Rf5
- 2.Bg2#
- 1...Rg6
- 2.Qe5#
- 1...Sb5
- 2.Rc5#
- 1...Sc6
- 2.Bc4#
- 1...Sf5
- 2.Qe5#
- 1...Ra1
- Tries
- 1.Be2?
- threat
- 2.Bf3#
- 1...Re5
- 2.Qxe5#
- 1...Rg3
- 2.Qe5#
- 1...Rg2+!
- threat
- 1.Bh3?
- threat
- 2.Rd3#
- 1...Rg2+
- 2.Bxg2#
- 1...Rc5
- 2.Rxc5#
- 1...Ra3
- 2.Rc5#
- 1...Rg3
- 2.Qe5#
- 1...Rg4
- 2.Qe5#
- 1...Rf5
- 2.Bg2#
- 1...Sb5
- 2.Rc5#
- 1...Sf5
- 2.Qe5#
- 1...Se6
- 2.Bxe6#
- 1...Sc6!
- threat
- 1.Rc7?
- threat
- 2.Bc4#
- 1...Rg2+
- 2.Bxg2#
- 1...Re5
- 2.Qxe5#
- 1...Rc5
- 2.Rxc5#
- 1...Ra2+!
- threat
- 1.Re1?
- threat
- 2.Qd2#
- 1...Rg2+
- 2.Bxg2#
- 1...Rc5
- 2.Rxc5#
- 1...Re5
- 2.Qxe5#
- 1...Ra3
- 2.Rc5#
- 1...Rg3
- 2.Qe5#
- 1...Rg4
- 2.Qe5#
- 1...Sb5
- 2.Rc5#
- 1...Sc6
- 2.Bc4#
- 1...Sf5
- 2.Qe5#
- 1...Se6!
- threat
- 1.Qxg5+?
- 1...Kd4
- 2.Rd2#
- 2.Rc4#
- 1...Kd6
- 2.Qd8#
- 1...Sf5!
- 1...Kd4
- 1.Qf3+?
- 1...Kd4
- 2.Rd2#
- 2.Rc4#
- 2.Qe4#
- 1...Kd6!
- 1...Kd4
- 1.Qf6?
- threat
- 2.Bc4#
- 2.Rd2#
- 2.Qd8#
- 1...Rg2+
- 2.Bxg2#
- 1...Re5
- 2.Rd2#
- 2.Qxe5#
- 1...Ra2
- 2.Bc4#
- 2.Qd8#
- 1...Ra3
- 2.Bc4#
- 2.Rc5#
- 2.Qd8#
- 1...Rc5
- 2.Rd2#
- 2.Rxc5#
- 1...Ra6
- 2.Bc4#
- 2.Rd2#
- 2.Rc5#
- 1...Rg4
- 2.Qe5#
- 2.Qd8#
- 1...Rg6
- 2.Bc4#
- 2.Rd2#
- 2.Qe5#
- 1...Sb5
- 2.Bc4#
- 2.Rc5#
- 1...Sc6
- 2.Bc4#
- 1...Sc8
- 2.Bc4#
- 2.Rd2#
- 1...Sf5
- 2.Bc4#
- 2.Qe5#
- 1...Se8
- 2.Bc4#
- 2.Rd2#
- 1...Se6!
- threat
- 1.Be2?
- Keys
- 1.Re7!
- threat
- 2.Qd2#
- 1...Rg2+
- 2.Bxg2#
- 1...Rc5
- 2.Rxc5#
- 1...Re5
- 2.Qxe5#
- 1...Ra3
- 2.Rc5#
- 1...Rg3
- 2.Qe5#
- 1...Rg4
- 2.Qe5#
- 1...Sb5
- 2.Rc5#
- 1...Sc6
- 2.Bc4#
- 1...Sf5
- 2.Qe5#
- 1...Se6
- 2.Rd7#
- threat
- 1.Re7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 6
- Sets
- R(a);N_GUARD::R1(B)
- R(a);N_GUARD::R1(B),XR(a)
- R(c);N_GUARD::QAR1(F)
- R(c);CHECK,N_GUARD::B(A),XR(c)
- R(c);N_GUARD::QAR1(F),XR(c)
- R(c);N_GUARD::B(A)
- S(e);S_CUTR(a)::R1(B)
- S(e);SBLOCK::B(A)
- S(f);S_CUTR(c)::QAR1(F)
- Tries
- Try
- B(A);
- Threat
- B(A)
- Vars
- R(c);N_GUARD::QAR1(F),XR(c)
- R(c);N_GUARD::QAR1(F)
- Refutation
- R(c);CHECK
- Try
- B(A);
- Threat
- R(D)
- Vars
- R(c);CHECK,N_GUARD::B(A),XR(c)
- R(a);N_GUARD::R1(B),XR(a)
- R(a);N_GUARD::R1(B)
- R(c);N_GUARD::QAR1(F)
- R(c);N_GUARD::B(A)
- S(e);S_CUTR(a)::R1(B)
- S(f);S_CUTR(c)::QAR1(F)
- S(f);N_GUARD::B(A),XS(f)
- Refutation
- S(e);
- Try
- R(B);
- Threat
- B(A)
- Vars
- R(c);CHECK,N_GUARD::B(A),XR(c)
- R(c);N_GUARD::QAR1(F),XR(c)
- R(a);N_GUARD::R1(B),XR(a)
- Refutation
- R(a);CHECK
- Try
- R(D);
- Threat
- QAR(F)
- Vars
- R(c);CHECK,N_GUARD::B(A),XR(c)
- R(a);N_GUARD::R1(B),XR(a)
- R(c);N_GUARD::QAR1(F),XR(c)
- R(a);N_GUARD::R1(B)
- R(c);N_GUARD::QAR1(F)
- S(e);S_CUTR(a)::R1(B)
- S(e);SBLOCK::B(A)
- S(f);S_CUTR(c)::QAR1(F)
- Refutation
- S(f);
- Try
- Q(F);CHECK,XR(c)
- Vars
- K(b);P-FLIGHT::QAR2(F)
- Refutation
- S(f);P_SPINS(f)
- Try
- Q(F);CHECK
- Refutation
- K(b);P-FLIGHT
- Try
- Q(F);
- Threat
- DUALS(3)
- Vars
- R(c);CHECK,N_GUARD::B(A),XR(c)
- S(e);::B(A)
- Refutation
- S(f);
- Try
- Actual
- R(D);
- Threat
- QAR(F)
- Vars
- R(c);CHECK,N_GUARD::B(A),XR(c)
- R(a);N_GUARD::R1(B),XR(a)
- R(c);N_GUARD::QAR1(F),XR(c)
- R(a);N_GUARD::R1(B)
- R(c);N_GUARD::QAR1(F)
- S(e);S_CUTR(a)::R1(B)
- S(e);SBLOCK::B(A)
- S(f);S_CUTR(c)::QAR1(F)
- S(f);SBLOCK::R(D)
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