MESON Chess Problem Database

Problem Display
PID: 158627 (1Bn5/pK1N2p1/n6R/1p1kp3/1r2rp2/2Q1pB2/8/1b6 w - - 0 1)

Animitsa, Khristofor Savvich

Sahs, 1984

1Bn5/pK1N2p1/n6R/1p1kp3/1r2rp2/2Q1pB2/8/1b6

#2

6 + 12

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Rc4
      • 2.Qxe5#
    • 1...Rd4
      • 2.Qc6#
    • 1...Sc5+
      • 2.Qxc5#
    • 1...Sc7
      • 2.Qc5#
    • 1...Sxb8
      • 2.Qc5#
    • 1...Sb6
      • 2.Rd6#
    • 1...Sd6+
      • 2.Rxd6#
    • 1...Se7
      • 2.Rd6#
  • Tries
    • 1.Sb6+?
      • 1...Sxb6
        • 2.Rd6#
      • 1...axb6!
    • 1.Bh5?
      • threat
        • 2.Bf7#
      • 1...Sc5+
        • 2.Qxc5#
      • 1...Sd6+
        • 2.Rxd6#
      • 1...Rec4
        • 2.Qxe5#
      • 1...Red4
        • 2.Qc6#
      • 1...Sc7
        • 2.Qc5#
      • 1...g6!
    • 1.Bxe5?
      • threat
        • 2.Qc6#
      • 1...Sc5+
        • 2.Qxc5#
      • 1...Sd6+
        • 2.Rxd6#
      • 1...Sb8
        • 2.Qc5#
      • 1...Se7
        • 2.Rd6#
      • 1...Rc4!
    • 1.Bxa7?
      • threat
        • 2.Qc6#
      • 1...Sc5+
        • 2.Qxc5#
      • 1...Sxa7
        • 2.Sb6#
      • 1...Rc4
        • 2.Qxe5#
      • 1...Sb8
        • 2.Qc5#
      • 1...Sb6
        • 2.Sxb6#
      • 1...Se7
        • 2.Sb6#
      • 1...Sd6+!
    • 1.Rxa6?
      • threat
        • 2.Qc5#
      • 1...Sd6+
        • 2.Rxd6#
      • 1...Rc4
        • 2.Qxe5#
      • 1...Sb6!
    • 1.Rc6?
      • threat
        • 2.Qxe5#
      • 1...Sc5+
        • 2.Qxc5#
      • 1...Sd6+
        • 2.Rxd6#
      • 1...Rd4!
    • 1.Qd3+?
      • 1...Rd4
        • 2.Bxe4#
      • 1...Bxd3!
  • Keys
    • 1.Bg4!
      • threat
        • 2.Be6#
      • 1...Sc5+
        • 2.Qxc5#
      • 1...Sd6+
        • 2.Rxd6#
      • 1...Sxb8
        • 2.Qc5#
      • 1...gxh6
        • 2.Sf6#
      • 1...Rec4
        • 2.Qxe5#
      • 1...Red4
        • 2.Qc6#
      • 1...Sc7
        • 2.Qc5#
      • 1...g6
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 4
  • Sets
    • R(c);SBLOCK::QAR1(A),XP(h)
    • R(c);SBLOCK::QAB1(A)
    • S(i);CHECK,N_GUARD::QAR1(A),XS(i)
    • S(i);N_GUARD::QAR1(A)
    • S(i);N_GUARD,XB(F)::QAR1(A)
    • S(l);N_GUARD::R1(C)
    • S(l);CHECK,N_GUARD::R1(C),XS(l)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • S(l);XS(E)::R1(C)
      • Refutation
        • P(j);XS(E)
    • Try
      • B(B);N_PINR(d)
      • Threat
        • B(B)
      • Vars
        • S(i);CHECK,N_GUARD::QAR1(A),XS(i)
        • S(l);CHECK,N_GUARD::R1(C),XS(l)
        • R(d);N_GUARD,SBLOCK::QAR1(A),XP(h)
        • R(d);SBLOCK::QAB1(A)
        • S(i);N_GUARD::QAR1(A)
      • Refutation
        • P(k);
    • Try
      • B(F);XP(h)
      • Threat
        • QAB1(A)
      • Vars
        • S(i);CHECK,N_GUARD::QAR1(A),XS(i)
        • S(l);CHECK,N_GUARD::R1(C),XS(l)
        • S(i);N_GUARD::QAR1(A)
        • S(l);N_GUARD::R1(C)
      • Refutation
        • R(c);
    • Try
      • B(F);XP(j)
      • Threat
        • QAB1(A)
      • Vars
        • S(i);CHECK,N_GUARD::QAR1(A),XS(i)
        • S(l);N_GUARD,XB(F)::S(E)
        • R(c);SBLOCK::QAR1(A),XP(h)
        • S(i);N_GUARD::QAR1(A)
        • S(l);N_GUARD::S(E),XS(l)
        • S(l);N_GUARD::S(E)
      • Refutation
        • S(l);CHECK
    • Try
      • R(C);XS(i)
      • Threat
        • QAR1(A)
      • Vars
        • S(l);CHECK,N_GUARD::R1(C),XS(l)
        • R(c);SBLOCK::QAR1(A),XP(h)
      • Refutation
        • S(l);
    • Try
      • R(C);
      • Threat
        • QAR1(A),XP(h)
      • Vars
        • S(i);CHECK,N_GUARD::QAR1(A),XS(i)
        • S(l);CHECK,N_GUARD::R1(C),XS(l)
      • Refutation
        • R(c);
    • Try
      • Q(A);CHECK
      • Vars
        • R(c);N_SPINR(d),P_SPINR(c)::B(B),XR(d)
      • Refutation
        • B(a);XQ(A)
  • Actual
    • B(B);N_PINR(d)
    • Threat
      • B(B)
    • Vars
      • S(i);CHECK,N_GUARD::QAR1(A),XS(i)
      • S(l);CHECK,N_GUARD::R1(C),XS(l)
      • S(i);N_GUARD,XB(F)::QAR1(A)
      • P(k);N_GUARD,XR(C)::S(E)
      • R(d);N_GUARD,SBLOCK::QAR1(A),XP(h)
      • R(d);SBLOCK::QAB1(A)
      • S(i);N_GUARD::QAR1(A)
      • P(k);N_GUARD::S(E)
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