MESON Chess Problem Database

Problem Display
PID: 280133 (8/8/2N5/pB2p3/1B1p2p1/1k1b2Rp/p3N2R/nqQ3K1 w - - 0 1)

Caine, Walter Edmund

Eddy, Edwin John

British Chess Magazine, 1935

8/8/2N5/pB2p3/1B1p2p1/1k1b2Rp/p3N2R/nqQ3K1

#2

8 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Qc2
      • 2.Qa3#
    • 1...Qxc1+
      • 2.Sxc1#
    • 1...Qb2
      • 2.Qc4#
    • 1...Sc2
      • 2.Rxd3#
    • 1...axb4
      • 2.Sa5#
    • 1...a4
      • 2.Bc4#
    • 1...e4
      • 2.Sexd4#
  • Tries
    • 1.Kf2?
      • 1...axb4
        • 2.Sa5#
      • 1...Qc2
        • 2.Qa3#
      • 1...Qb2
        • 2.Qc4#
      • 1...Sc2
        • 2.Rxd3#
      • 1...a4
        • 2.Bc4#
      • 1...e4
        • 2.Sexd4#
      • 1...Qxc1!
    • 1.Ba3?
      • threat
        • 2.Sxa5#
      • 1...Qb2
        • 2.Qxb2#
      • 1...a4
        • 2.Sa5#
        • 2.Bc4#
      • 1...Qxc1+!
    • 1.Bc5?
      • threat
        • 2.Sxa5#
      • 1...a4
        • 2.Sa5#
        • 2.Bc4#
      • 1...Qxc1+!
    • 1.Bd6?
      • threat
        • 2.Sxa5#
      • 1...a4
        • 2.Sa5#
        • 2.Bc4#
      • 1...Qxc1+!
    • 1.Be7?
      • threat
        • 2.Sxa5#
      • 1...a4
        • 2.Sa5#
        • 2.Bc4#
      • 1...Qxc1+!
    • 1.Bf8?
      • threat
        • 2.Sxa5#
      • 1...a4
        • 2.Sa5#
        • 2.Bc4#
      • 1...Qxc1+!
    • 1.Rf2?
      • 1...Qxc1+
        • 2.Sxc1#
      • 1...axb4
        • 2.Sa5#
      • 1...Qc2
        • 2.Qa3#
      • 1...Qb2
        • 2.Qc4#
      • 1...Sc2
        • 2.Rxd3#
      • 1...a4
        • 2.Bc4#
      • 1...e4
        • 2.Sexd4#
      • 1...h2+!
  • Keys
    • 1.Kh1!
      • 1...Qxc1+
        • 2.Sxc1#
      • 1...axb4
        • 2.Sa5#
      • 1...Qc2
        • 2.Qa3#
      • 1...Qb2
        • 2.Qc4#
      • 1...Sc2
        • 2.Rxd3#
      • 1...a4
        • 2.Bc4#
      • 1...e4
        • 2.Sexd4#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • Q(b);N_PINQ(A),SBLOCK::QAR1(A)
    • Q(b);CHECK,XQ(A)::S(C),XQ(b)
    • Q(b);N_PINQ(A),SBLOCK::QAB1(A)
    • S(a);S_CUTQ(b)::R(E),XB(e)
    • P(i);SBLOCK,XB(F)::S(H)
    • P(i);SBLOCK::B(G)
    • P(j);N_GUARD::S(C),XP(g)
  • Tries
    • Try
      • K(B);N_SPINQ(A),S_FLIGHT
      • Vars
        • P(i);SBLOCK,XB(F)::S(H)
        • Q(b);P_PINS(C),SBLOCK::QAR1(A)
        • Q(b);P_PINS(C),SBLOCK::QAB1(A)
        • S(a);S_CUTQ(b)::R(E),XB(e)
        • P(i);SBLOCK::B(G)
        • P(j);N_GUARD::S(C),XP(g)
      • Refutation
        • Q(b);XQ(A)
    • Try
      • B(F);
      • Threat
        • S(H),XP(i)
      • Vars
        • Q(b);N_PINQ(A)::QAR1(A),XQ(b)
      • Refutation
        • Q(b);CHECK,XQ(A)
    • Try
      • B(F);
      • Threat
        • S(H),XP(i)
      • Refutation
        • Q(b);CHECK,XQ(A)
    • Try
      • B(F);
      • Threat
        • S(H),XP(i)
      • Refutation
        • Q(b);CHECK,XQ(A)
    • Try
      • B(F);
      • Threat
        • S(H),XP(i)
      • Refutation
        • Q(b);CHECK,XQ(A)
    • Try
      • B(F);
      • Threat
        • S(H),XP(i)
      • Refutation
        • Q(b);CHECK,XQ(A)
    • Try
      • R(D);
      • Vars
        • Q(b);CHECK,XQ(A)::S(C),XQ(b)
        • P(i);SBLOCK,XB(F)::S(H)
        • Q(b);N_PINQ(A),SBLOCK::QAR1(A)
        • Q(b);N_PINQ(A),SBLOCK::QAB1(A)
        • S(a);S_CUTQ(b)::R(E),XB(e)
        • P(i);SBLOCK::B(G)
        • P(j);N_GUARD::S(C),XP(g)
      • Refutation
        • P(f);CHECK
  • Actual
    • K(B);P-FLIGHT
    • Vars
      • Q(b);CHECK,XQ(A)::S(C),XQ(b)
      • P(i);SBLOCK,XB(F)::S(H)
      • Q(b);N_PINQ(A),SBLOCK::QAR1(A)
      • Q(b);N_PINQ(A),SBLOCK::QAB1(A)
      • S(a);S_CUTQ(b)::R(E),XB(e)
      • P(i);SBLOCK::B(G)
      • P(j);N_GUARD::S(C),XP(g)
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