MESON Chess Problem Database
Problem Display
PID: 58479 (8/8/rb2Q3/p2r4/Kp5R/p1kN4/2p2p2/1nB2B2 w - - 0 1)
Groeneveld, Cornelis
Chess Life, 1959
#2
6 + 10
SOLUTION
- SOUND
- Sets
- 1...Rxd3
- 2.Rc4#
- 2.Qb3#
- 2.Qc4#
- 1...Rd4
- 2.Qb3#
- 1...Rb5
- 2.Rc4#
- 2.Qb3#
- 2.Qc4#
- 1...Rc5
- 2.Qb3#
- 1...Re5
- 2.Rc4#
- 2.Qb3#
- 2.Qc4#
- 1...Rf5
- 2.Rc4#
- 2.Qb3#
- 2.Qc4#
- 1...Rg5
- 2.Rc4#
- 2.Qb3#
- 2.Qc4#
- 1...Rh5
- 2.Rc4#
- 2.Qb3#
- 2.Qc4#
- 1...Rd6
- 2.Rc4#
- 2.Qb3#
- 2.Qc4#
- 1...Rd7
- 2.Rc4#
- 2.Qb3#
- 2.Qc4#
- 1...Rd8
- 2.Rc4#
- 2.Qb3#
- 2.Qc4#
- 1...Rxd3
- Tries
- 1.Sxf2?
- threat
- 2.Rc4#
- 1...Bd4
- 2.Se4#
- 1...Rd4
- 2.Qb3#
- 1...Rc5
- 2.Qb3#
- 2.Qh3#
- 2.Qe3#
- 1...Sd2!
- threat
- 1.Sxb4?
- threat
- 2.Sa2#
- 2.Sxd5#
- 2.Rc4#
- 1...Sd2
- 2.Sa2#
- 2.Sxd5#
- 1...Rd1
- 2.Sa2#
- 2.Rc4#
- 2.Qb3#
- 2.Qc4#
- 1...Rd2
- 2.Sa2#
- 2.Rc4#
- 2.Qb3#
- 2.Qc4#
- 1...Rd3
- 2.Sa2#
- 2.Rc4#
- 2.Qb3#
- 2.Qc4#
- 1...Rd4
- 2.Qb3#
- 1...Rb5
- 2.Sa2#
- 2.Rc4#
- 2.Qb3#
- 2.Qc4#
- 1...Rc5
- 2.Sa2#
- 2.Qb3#
- 2.Qh3#
- 2.Qe3#
- 1...Re5
- 2.Sa2#
- 2.Rc4#
- 2.Qb3#
- 2.Qc4#
- 1...Rf5
- 2.Sa2#
- 2.Rc4#
- 2.Qb3#
- 2.Qc4#
- 1...Rg5
- 2.Sa2#
- 2.Rc4#
- 2.Qb3#
- 2.Qc4#
- 1...Rh5
- 2.Sa2#
- 2.Rc4#
- 2.Qb3#
- 2.Qc4#
- 1...Rd6
- 2.Sa2#
- 2.Rc4#
- 2.Qb3#
- 2.Qc4#
- 1...Rd7
- 2.Sa2#
- 2.Rc4#
- 2.Qb3#
- 2.Qc4#
- 1...Rd8
- 2.Sa2#
- 2.Rc4#
- 2.Qb3#
- 2.Qc4#
- 1...Bd4
- 2.Sa2#
- 2.Sxd5#
- 1...a2
- 2.Sxa2#
- 2.Sxd5#
- 2.Rc4#
- 1...axb4+!
- threat
- 1.Sc5?
- threat
- 2.Rc4#
- 1...Rxc5
- 2.Qb3#
- 2.Qh3#
- 2.Qe3#
- 1...Rd4
- 2.Qb3#
- 1...Sd2!
- threat
- 1.Bb2+?
- 1...Kd2
- 2.Qe2#
- 1...axb2!
- 1...Kd2
- 1.Qxd5?
- threat
- 2.Rc4#
- 2.Qb3#
- 2.Qc4#
- 1...Bd4
- 2.Qb3#
- 2.Qxd4#
- 1...b3
- 2.Rc4#
- 2.Qxb3#
- 2.Qc4#
- 1...Sd2!
- threat
- 1.Sxf2?
- Keys
- 1.Sf4!
- threat
- 2.Sxd5#
- 1...Kd4
- 2.Qe3#
- 1...Rd1
- 2.Qc4#
- 1...Rd2
- 2.Qc4#
- 1...Rd3
- 2.Se2#
- 1...Rd4
- 2.Qb3#
- 1...Rb5
- 2.Qc4#
- 1...Rc5
- 2.Qe3#
- 1...Re5
- 2.Qc4#
- 1...Rf5
- 2.Qc4#
- 1...Rg5
- 2.Qc4#
- 1...Rh5
- 2.Qc4#
- 1...Rd6
- 2.Qc4#
- 1...Rd7
- 2.Qc4#
- 1...Rd8
- 2.Qc4#
- threat
- 1.Sf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 12
- REMOVED MATES = 0
- Sets
- R(h);OGATE::QAR1(F)
- Tries
- Try
- S(C);XP(c)
- Threat
- R1(E)
- Vars
- B(j);SBLOCK::S(C)
- R(h);OGATE::QAR1(F)
- Refutation
- S(a);
- Try
- S(C);XP(f)
- Threat
- DUALS(3)
- Vars
- R(h);OGATE,P_PINS(C)::QAR1(F)
- Refutation
- P(g);CHECK,XS(C)
- Try
- S(C);
- Threat
- R1(E)
- Vars
- R(h);OGATE::QAR1(F)
- Refutation
- S(a);
- Try
- B(A);CHECK
- Vars
- K(e);S_FLIGHT::QAR1(F)
- Refutation
- P(d);XB(A)
- Try
- Q(F);XR(h)
- Threat
- DUALS(3)
- Refutation
- S(a);
- Try
- Actual
- S(C);
- Threat
- S(C),XR(h)
- Vars
- K(e);S_FLIGHT::QAB1(F)
- R(h);OGATE::QAR1(F)
- R(h);SBLOCK::S(C)
- R(h);OGATE,SBLOCK::QAR1(F)
- R(h);N_GUARD,S_CUTB(j)::QAR2(F)
Developed and maintained by Brian Stephenson.
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