MESON Chess Problem Database
Problem Display
PID: 154100 (8/1p2N2B/1Bb5/K2NP1p1/2k2n2/R4P1Q/P2P2p1/2rr1n2 w - - 0 1)
Groeneveld, Cornelis
1st Prize, Probleemblad, 1985
#2
11 + 9
| 721 | Variantim | 1988 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Rc3#
- 1...Rb1
- 2.Rc3#
- 1...Rc3
- 2.Rxc3#
- 1...Ba4
- 2.Rxa4#
- 1...Bxd5
- 2.Ra4#
- 1...Sxd2
- 2.Se3#
- 1...Sh2
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sg3
- 2.Se3#
- 1...Se2
- 2.Bd3#
- 1...Sd3
- 2.Bxd3#
- 1...Sxh3
- 2.Bd3#
- 1...Sxd5
- 2.Bd3#
- 1...Sh5
- 2.Bd3#
- 1...Se6
- 2.Bd3#
- 1...Ra1
- Tries
- 1.Sxf4?
- threat
- 2.Bd3#
- 1...Rc3
- 2.Rxc3#
- 1...Be4
- 2.Ra4#
- 1...Rxd2!
- threat
- 1.Bg1?
- threat
- 2.Sb6#
- 1...b6+
- 2.Sxb6#
- 1...Bxd5
- 2.Ra4#
- 1...Sxd5
- 2.Bd3#
- 1...Rb1
- 2.Rc3#
- 1...Se3!
- threat
- 1.Bf2?
- threat
- 2.Sb6#
- 1...b6+
- 2.Sxb6#
- 1...Bxd5
- 2.Ra4#
- 1...Sxd5
- 2.Bd3#
- 1...Rb1
- 2.Rc3#
- 1...Se3!
- threat
- 1.Be3?
- threat
- 2.Sb6#
- 1...b6+
- 2.Sxb6#
- 1...Bxd5
- 2.Ra4#
- 1...Sxd5
- 2.Bd3#
- 1...Rb1
- 2.Rc3#
- 1...Sxe3!
- threat
- 1.Bc2?
- threat
- 2.Rc3#
- 1...Sxd5
- 2.Bd3#
- 1...Se2
- 2.Bd3#
- 1...Rxc2!
- threat
- 1.Bg8?
- threat
- 2.Se3#
- 1...Bxd5
- 2.Qc8#
- 1...Sxd5
- 2.Qg4#
- 1...Rc3
- 2.Rxc3#
- 1...Se3
- 2.Sxe3#
- 1...Se6!
- threat
- 1.Rb3?
- threat
- 2.Rb4#
- 1...Sxd5
- 2.Bd3#
- 1...Rb1
- 2.Rc3#
- 1...Sd3
- 2.Bxd3#
- 1...Sg6!
- threat
- 1.Qg4?
- threat
- 2.Bd3#
- 1...Rc3
- 2.Rxc3#
- 1...Rxd2!
- threat
- 1.Qc8?
- threat
- 2.Ra4#
- 1...Sxd5
- 2.Bd3#
- 1...Rb1
- 2.Rc3#
- 1...Sd3
- 2.Bxd3#
- 1...Sg6!
- threat
- 1.Sxf4?
- Keys
- 1.Qe6!
- threat
- 2.Se3#
- 1...Bxd5
- 2.Ra4#
- 1...Sxd5
- 2.Bd3#
- 1...Sxe6
- 2.Bd3#
- 1...Se3
- 2.Sxe3#
- threat
- 1.Qe6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 11
- Sets
- R(a);N_GUARD::R1(C)
- R(a);N_GUARD::R1(C),XR(a)
- B(h);N_GUARD::R(C),XB(h)
- B(h);N_GUARD,XS(G)::R(C)
- S(c);N_GUARD,XP(B)::S(G)
- S(c);N_GUARD::S(G)
- S(c);N_GUARD::S(G),XS(c)
- S(f);N_GUARD::B(K)
- S(f);N_GUARD::B(K),XS(f)
- S(f);N_GUARD,XQ(E)::B(K)
- S(f);N_GUARD,XS(G)::B(K)
- Tries
- Try
- S(G);XS(f)
- Threat
- B(K)
- Vars
- R(a);N_GUARD::R1(C),XR(a)
- B(h);N_GUARD::R(C)
- Refutation
- R(b);XP(B)
- Try
- B(I);
- Threat
- S(G)
- Vars
- P(i);CHECK::S(G),XP(i)
- B(h);N_GUARD,XS(G)::R(C)
- S(f);N_GUARD,XS(G)::B(K)
- R(a);N_GUARD::R1(C)
- Refutation
- S(c);
- Try
- B(I);
- Threat
- S(G)
- Vars
- P(i);CHECK::S(G),XP(i)
- B(h);N_GUARD,XS(G)::R(C)
- S(f);N_GUARD,XS(G)::B(K)
- R(a);N_GUARD::R1(C)
- Refutation
- S(c);
- Try
- B(I);
- Threat
- S(G)
- Vars
- P(i);CHECK::S(G),XP(i)
- B(h);N_GUARD,XS(G)::R(C)
- S(f);N_GUARD,XS(G)::B(K)
- R(a);N_GUARD::R1(C)
- Refutation
- S(c);XB(I)
- Try
- B(K);
- Threat
- R1(C)
- Vars
- S(f);N_GUARD,XS(G)::B(K)
- S(f);N_GUARD::B(K)
- Refutation
- R(a);XB(K)
- Try
- B(K);
- Threat
- B(K)+S(G),DCHECK
- Vars
- B(h);OGATEB,P_SPINB(h),XS(G)::QAR(E)
- S(f);OGATEB,P_SPINS(f),XS(G)::QAR(E)
- R(a);N_GUARD::R1(C),XR(a)
- S(c);::B(K)+S(G),DCHECK,XS(c)
- Refutation
- S(f);
- Try
- R(C);
- Threat
- R1(C)
- Vars
- S(f);N_GUARD,XS(G)::B(K)
- R(a);N_GUARD::R1(C)
- S(f);N_GUARD::B(K),XS(f)
- Refutation
- S(f);
- Try
- Q(E);P_PINS(f)
- Threat
- B(K)
- Vars
- R(a);N_GUARD::R1(C),XR(a)
- Refutation
- R(b);XP(B)
- Try
- Q(E);P_PINB(h)
- Threat
- R(C)
- Vars
- S(f);N_GUARD,XS(G)::B(K)
- R(a);N_GUARD::R1(C)
- S(f);N_GUARD::B(K),XS(f)
- Refutation
- S(f);
- Try
- Actual
- Q(E);
- Threat
- QAB(E)+S(G),DCHECK
- Vars
- B(h);N_GUARD,P_SPINB(h),XS(G)::R(C)
- S(f);N_GUARD,P_SPINS(f),XS(G)::B(K)
- S(f);N_GUARD,XQ(E)::B(K)
- S(c);::QAB(E)+S(G),DCHECK,XS(c)
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