MESON Chess Problem Database
Problem Display
PID: 18189 (K1R3Bn/PQB2q2/6n1/7r/1NkPR3/1p5b/1P2P3/3rN3 w - - 0 1)
Whyatt, William Albert
The Times Weekly Edition, 1953
#2
12 + 8
SOLUTION
- SOUND
- Sets
- 1...Qe6
- 2.Be5#
- 1...Rd3
- 2.exd3#
- 1...Rf5
- 2.Be5#
- 1...Bf1
- 2.Be5#
- 1...Bg2
- 2.Be5#
- 1...Qe6
- Tries
- 1.Sed3?
- threat
- 2.d5#
- 1...Rxd3
- 2.exd3#
- 1...Qd5
- 2.Qc6#
- 1...Qe6
- 2.Be5#
- 1...Rh4
- 2.Qa6#
- 2.Qc6#
- 1...Re5
- 2.dxe5#
- 1...Bg2
- 2.Be5#
- 1...Bf5
- 2.Qa6#
- 2.Qc6#
- 1...Rd5!
- threat
- 1.Bh2+?
- 1...Rc5
- 2.Rxc5#
- 1...Bxc8!
- 1...Rc5
- 1.Bg3+?
- 1...Rc5
- 2.Rxc5#
- 1...Bxc8!
- 1...Rc5
- 1.Bf4+?
- 1...Rc5
- 2.Rxc5#
- 1...Bxc8!
- 1...Rc5
- 1.Ba5+?
- 1...Rc5
- 2.Rxc5#
- 2.Qa6#
- 1...Bxc8!
- 1...Rc5
- 1.Bd6+?
- 1...Rc5
- 2.Rxc5#
- 1...Bxc8!
- 1...Rc5
- 1.Bb8+?
- 1...Rc5
- 2.Rxc5#
- 1...Bxc8!
- 1...Rc5
- 1.Bd8+?
- 1...Rc5
- 2.Rxc5#
- 1...Bxc8!
- 1...Rc5
- 1.Bxf7+?
- 1...Rd5
- 2.Bxd5#
- 1...Be6
- 2.Be5#
- 1...Sxf7!
- 1...Rd5
- 1.Qc6+?
- 1...Rc5
- 2.Qxc5#
- 1...Kxb4!
- 1...Rc5
- 1.d5+?
- 1...Kc5
- 2.Sa6#
- 2.Qc6#
- 2.Qb6#
- 1...Rd4!
- 1...Kc5
- 1.Sed3?
- Keys
- 1.Sbd3!
- threat
- 2.d5#
- 1...Rxd3
- 2.exd3#
- 1...Qd5
- 2.Qc6#
- 1...Qe6
- 2.Be5#
- 1...Rh4
- 2.Qc6#
- 1...Rd5
- 2.Qb4#
- 1...Re5
- 2.dxe5#
- 1...Bg2
- 2.Be5#
- 1...Bf5
- 2.Qc6#
- threat
- 1.Sbd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 2
- Sets
- Q(g);S_CUTB(c)::R(K)+B(I)
- R(a);OGATE::P(C),XR(a)
- R(e);S_CUTB(c)::R(K)+B(I)
- B(c);N_GUARD::R(K)+B(I)
- Tries
- Try
- S(A);
- Threat
- R(F)+P(E)
- Vars
- R(a);OGATE,XS(A)::P(C),XR(a)
- Q(g);P_PINQ(H),S_CUTR(e)::QAR2(H)
- Q(g);S_CUTB(c)::R(K)+B(I)
- R(e);OGATE::R(F)+P(E),XR(e)
- B(c);N_GUARD::R(K)+B(I)
- Refutation
- R(e);N_SPINQ(g)
- Try
- B(I);CHECK
- Vars
- R(e);N_GUARD,P_SPINR(e)::R1(K),XR(e)
- Refutation
- B(c);XR(K)
- Try
- B(I);CHECK
- Vars
- R(e);N_GUARD,P_SPINR(e)::R1(K),XR(e)
- Refutation
- B(c);XR(K)
- Try
- B(I);CHECK
- Vars
- R(e);N_GUARD,P_SPINR(e)::R1(K),XR(e)
- Refutation
- B(c);XR(K)
- Try
- B(I);CHECK
- Refutation
- B(c);XR(K)
- Try
- B(I);CHECK
- Vars
- R(e);N_GUARD,P_SPINR(e)::R1(K),XR(e)
- Refutation
- B(c);XR(K)
- Try
- B(I);CHECK
- Vars
- R(e);N_GUARD,P_SPINR(e)::R1(K),XR(e)
- Refutation
- B(c);XR(K)
- Try
- B(I);CHECK
- Vars
- R(e);N_GUARD,P_SPINR(e)::R1(K),XR(e)
- Refutation
- B(c);XR(K)
- Try
- B(L);CHECK,XQ(g)
- Vars
- R(e);N_GUARD,P_SPINR(e)::B(L),XR(e)
- B(c);P_SPINB(c)::R(K)+B(I)
- Refutation
- S(h);XB(L)
- Try
- Q(H);CHECK
- Vars
- R(e);N_GUARD,P_SPINR(e)::QAR1(H),XR(e)
- Refutation
- K(d);N_SPINQ(g),P-FLIGHT,XS(D)
- Try
- P(E);CHECK,N_PINQ(g)
- Refutation
- R(a);P_SPINR(a)
- Try
- Actual
- S(D);
- Threat
- R(F)+P(E)
- Vars
- R(a);OGATE,XS(D)::P(C),XR(a)
- Q(g);P_PINQ(H),S_CUTR(e)::QAR2(H)
- Q(g);S_CUTB(c)::R(K)+B(I)
- R(e);N_GUARD::QAR2(H)
- R(e);N_SPINQ(g),SBLOCK::QAR1(H)
- R(e);OGATE::R(F)+P(E),XR(e)
- B(c);N_GUARD::R(K)+B(I)
- B(c);S_CUTR(e)::QAR2(H)
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